{"title":"Grodan","description":"\u003ch2\u003eGrodan Stone Wool Growing Media\u003c\/h2\u003e\n\u003cp\u003eGrodan is the world leader in stone wool substrate solutions engineered for precision growing in commercial medicinal and food crop production. As a certified \u003cstrong\u003eGrodan Elite Partner\u003c\/strong\u003e, Custom Hydro offers the complete Grodan product line backed by expert agronomic support.\u003c\/p\u003e\n\u003ch3\u003eWhy Grodan?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent water and air distribution\u003c\/strong\u003e for optimal root zone management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustainable manufacturing\u003c\/strong\u003e — Grodan stone wool is recyclable and produced with a low carbon footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-engineered\u003c\/strong\u003e for high-wire vegetable, specialty crop, and specialty crop production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven performance\u003c\/strong\u003e in commercial greenhouses and controlled environment agriculture (CEA) worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Range\u003c\/h3\u003e\n\u003cp\u003eGrodan's substrate portfolio includes propagation plugs, grow blocks, slabs, and loose granulate — designed to work together across every stage of the crop cycle from propagation through harvest.\u003c\/p\u003e\n\u003ch3\u003eCustom Hydro Elite Partner Advantage\u003c\/h3\u003e\n\u003cp\u003eAs an Elite Partner, Custom Hydro provides direct access to Grodan's full catalog, competitive wholesale pricing, and dedicated technical support to help you maximize yield and crop quality.\u003c\/p\u003e","products":[{"product_id":"macro-plugs-35-packs-of-50","title":"Grodan Macro Plugs – 1.5\" Round Stonewool Plugs | 40 Packs of 50","description":"\u003ch2\u003ePrecision Propagation Starts Here\u003c\/h2\u003e\n\u003cp\u003eGrodan® Macroplugs™ are loose, round stonewool plugs engineered for seamless cloning and propagation in hydroponic systems. Designed to fit perfectly into Grodan® Gro-Block holes, each plug delivers the ideal balance of water retention and aeration to drive rapid, uniform root development.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1.5\" x 1.57\" round plug — fits standard Grodan Gro-Block holes\u003c\/li\u003e\n\u003cli\u003ePre-slit for easy clone insertion (no-slit available by special order)\u003c\/li\u003e\n\u003cli\u003eSpun molten rock construction for consistent moisture distribution\u003c\/li\u003e\n\u003cli\u003eMaintains optimal oxygen levels at the root zone\u003c\/li\u003e\n\u003cli\u003eSupports vigorous, uniform root structure development\u003c\/li\u003e\n\u003cli\u003eIdeal for cuttings, seedlings, and hydroponic propagation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp\u003e40 bags of 50 plugs each — 2,000 plugs total. Bagged for easy handling and storage.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727045716,"sku":"RW70038","price":396.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW108004_1.jpg?v=1752679761"},{"product_id":"grodan-gro-block-big-mama-improved-8x8x8-no-hole-case-of-18","title":"Grodan Gro-Block Big Mama Improved – 8\"x8\"x8\" No Hole | Case of 18","description":"\u003ch2\u003eThe Industry Standard for Large-Format Stonewool Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Big Mama Improved is the go-to substrate for commercial growers running large-format hydroponic systems. At 8\"x8\"x8\", this no-hole block delivers exceptional water retention, superior aeration, and consistent performance from transplant through harvest.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e8\" x 8\" x 8\" format — ideal for large plants and long-cycle crops\u003c\/li\u003e\n\u003cli\u003eNo-hole design for flexible transplanting and custom planting configurations\u003c\/li\u003e\n\u003cli\u003eImproved stonewool formula with enhanced wetting technology for faster, more uniform saturation\u003c\/li\u003e\n\u003cli\u003eOptimal air-to-water ratio supports vigorous root development and oxygen availability\u003c\/li\u003e\n\u003cli\u003eConsistent fiber structure ensures uniform water distribution throughout the block\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 18 blocks. Each block is individually wrapped for cleanliness and ease of handling.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727111252,"sku":"RW286660","price":145.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW109001_1.jpg?v=1752679762"},{"product_id":"grodan-gr-slab-improved-36x6x4-wr-tb-t-case-of-12","title":"Grodan GR-Slab Improved – 36\"x6\"x4\" WR TB T | Case of 12","description":"\u003ch2\u003ePrecision Crop Steering with Grodan’s Most Advanced Slab Technology\u003c\/h2\u003e\u003cp\u003eThe Grodan® GR-Slab Improved 36\"x6\"x4\" delivers a wide irrigation control range, giving commercial growers the flexibility to steer crop development with precision. Featuring Grodan’s Advanced Wetting Agent (AWA), these slabs provide more uniform water content (WC) and EC distribution — both throughout each slab and from slab to slab — for consistent, repeatable results across your entire crop.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 6\" x 4\" slab — WR (Water Repellent) TB T configuration\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent for uniform WC and EC distribution\u003c\/li\u003e\n\u003cli\u003eWide control range supports flexible irrigation steering strategies\u003c\/li\u003e\n\u003cli\u003eVertical fiber orientation promotes optimal drainage and root penetration\u003c\/li\u003e\n\u003cli\u003eHigh resaturation capacity for rapid recovery between irrigation events\u003c\/li\u003e\n\u003cli\u003eCompatible with single and multi-plant growing systems\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 12 slabs, wrapped for cleanliness and ease of handling.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727307860,"sku":"RW15200","price":125.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW15200_1.jpg?v=1752679764"},{"product_id":"grodan-gr-slab-improved-36x6x3-wr-tb-t-case-of-12","title":"Grodan GR-Slab Improved – 36\"x6\"x3\" WR TB T | Case of 12","description":"\u003ch2\u003ePrecision Crop Steering with Grodan’s Most Advanced Slab Technology\u003c\/h2\u003e\u003cp\u003eThe Grodan® GR-Slab Improved 36\"x6\"x3\" delivers a wide irrigation control range, giving commercial growers the flexibility to steer crop development with precision. Featuring Grodan’s Advanced Wetting Agent (AWA), these slabs provide more uniform water content (WC) and EC distribution — both throughout each slab and from slab to slab — for consistent, repeatable results across your entire crop.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 6\" x 3\" slab — WR (Water Repellent) TB T configuration\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent for uniform WC and EC distribution\u003c\/li\u003e\n\u003cli\u003eWide control range supports flexible irrigation steering strategies\u003c\/li\u003e\n\u003cli\u003eFast rooting and vigorous growth throughout the entire growing cycle\u003c\/li\u003e\n\u003cli\u003eImproved slab structure guarantees rapid resaturation within a wide steering range\u003c\/li\u003e\n\u003cli\u003eCompatible with single and multi-plant growing systems\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 12 slabs, wrapped for cleanliness and ease of handling.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727340628,"sku":"RW320562","price":86.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW158512_1.jpg?v=1752679765"},{"product_id":"gro-smart-tray-78-cell-terracotta","title":"Grodan Gro-Smart Tray – 78 Cell | Double-Sided | Fits 10\"x20\" Flats","description":"\u003ch2\u003eThe Versatile Propagation Tray Built for Grodan’s Full Plug \u0026amp; Block Lineup\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Smart™ Tray is a heavy-duty, double-sided plastic tray engineered to fit standard 10\" x 20\" propagation flats. Its dual-sided design gives growers maximum flexibility — use one side for individual plugs and the other for sheets, making it compatible with virtually every Grodan starter product.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDouble-sided design — 78-cell side holds 1.5\" A-OK Starter Plugs™ or Macroplugs™ individually\u003c\/li\u003e\n\u003cli\u003eMesh side accommodates full sheets of A-OK Starter Plugs™, Mini-Blocks™, or Gro-Blocks™\u003c\/li\u003e\n\u003cli\u003eFits standard 10\" x 20\" propagation flats for seamless integration into existing setups\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, durable plastic construction for long-term reuse\u003c\/li\u003e\n\u003cli\u003eTerracotta color for easy identification in the propagation area\u003c\/li\u003e\n\u003cli\u003eIdeal for commercial propagation, cloning, and seedling production\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDesigned specifically for use with Grodan® A-OK Starter Plugs™, Macroplugs™, Mini-Blocks™, and Gro-Blocks™.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727635540,"sku":"RW233550","price":67.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW205002_1.jpg?v=1752679766"},{"product_id":"grodan-gr-slab-improved-36x8x3-wr-tb-t-case-of-12","title":"Grodan GR-Slab Improved – 36\"x8\"x3\" WR TB T | Case of 12","description":"\u003ch2\u003ePrecision Crop Steering with Grodan’s Most Advanced Slab Technology\u003c\/h2\u003e\u003cp\u003eThe Grodan® GR-Slab Improved 36\"x8\"x3\" delivers a wide irrigation control range, giving commercial growers the flexibility to steer crop development with precision. Featuring Grodan’s Advanced Wetting Agent (AWA), these slabs provide more uniform water content (WC) and EC distribution — both throughout each slab and from slab to slab — for consistent, repeatable results across your entire crop.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 8\" x 3\" slab — WR (Water Repellent) TB T configuration\u003c\/li\u003e\n\u003cli\u003eWider 8\" format ideal for larger plant spacing and multi-head systems\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent for uniform WC and EC distribution\u003c\/li\u003e\n\u003cli\u003eWide control range supports flexible irrigation steering strategies\u003c\/li\u003e\n\u003cli\u003eFast rooting and vigorous growth throughout the entire growing cycle\u003c\/li\u003e\n\u003cli\u003eImproved slab structure guarantees rapid resaturation within a wide steering range\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 12 slabs, wrapped for cleanliness and ease of handling.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727701076,"sku":"RW320565","price":111.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/GRD320565.jpg?v=1772888320"},{"product_id":"grodan-gr10-improved-4-x-4-x-4-loose-pallet-1584-blocks","title":"Grodan Gro-Block Improved GR10 – 4\"x4\"x4\" w\/ Hole | 1,584 Blocks Loose on Pallet","description":"\u003ch2\u003eCommercial-Scale Stonewool Blocks for High-Yield Hydroponic Production\u003c\/h2\u003e\u003cp\u003eThe Grodan® Improved Gro-Block™ GR10 is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. Engineered for large-format, high-density cultivation, this 4\"x4\"x4\" block delivers the optimal balance of water retention, aeration, and root zone stability — at pallet scale.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4\" x 4\" x 4\" block with pre-cut plant hole — GR10 (Large) grade\u003c\/li\u003e\n\u003cli\u003eLoose on pallet — 1,584 blocks per pallet for high-volume operations\u003c\/li\u003e\n\u003cli\u003eWhite foil wrap for light reflection and temperature management\u003c\/li\u003e\n\u003cli\u003eImproved stonewool formula with enhanced wetting technology for faster, more uniform saturation\u003c\/li\u003e\n\u003cli\u003eOptimal air-to-water ratio supports vigorous root development and oxygen availability\u003c\/li\u003e\n\u003cli\u003eConsistent fiber structure ensures uniform water and nutrient distribution\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003e1,584 blocks loose on pallet, white foil wrapped. Ideal for commercial greenhouse and indoor farm operations.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727832148,"sku":"RW274993","price":1344.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/GRD274993.jpg?v=1772888708"},{"product_id":"grodan-gro-block-hugo-improved-6-x-6-x-5-8-case-of-64","title":"Grodan Gro-Block Hugo Improved – 6\"x6\"x5.8\" | Case of 64","description":"\u003ch2\u003eThe Premium Large-Format Block for Long-Cycle Crop Production\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Hugo Improved is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 6\"x6\"x5.8\", the Hugo delivers exceptional root zone volume, uniform water and nutrient distribution, and Grodan’s most advanced steering capabilities — making it the go-to block for long-cycle, high-value crops.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6\" x 6\" x 5.8\" format — ideal for long-cycle crops requiring large root zone volume\u003c\/li\u003e\n\u003cli\u003eWhite foil wrap for light reflection and temperature management\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eSuperior steering capabilities for precise crop management throughout the cycle\u003c\/li\u003e\n\u003cli\u003eMore uniform water distribution supports a well-defined root system with higher water and nutrient uptake capacity\u003c\/li\u003e\n\u003cli\u003eProduces robust, vigorous crops with improved uniformity\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 64 blocks, white foil wrapped for cleanliness and ease of handling.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727864916,"sku":"RW274999","price":221.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW274999_1.jpg?v=1752679769"},{"product_id":"gro-block-improved-small-4gr6-5-w-hole-4x42-6-strip","title":"Grodan Gro-Block Improved Small GR6.5 – 4\"x4\"x2.6\" w\/ Hole | Strip","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for Precision Hydroponic Cultivation\u003c\/h2\u003e\n\u003cp\u003eThe Grodan® Gro-Block Improved GR6.5 Small is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. Engineered for small-format propagation and early-stage crop development, this 4\"x4\"x2.6\" block delivers uniform water and nutrient distribution with Grodan’s most advanced steering capabilities.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4\" x 4\" x 2.6\" small format block with pre-cut plant hole — GR6.5 grade\u003c\/li\u003e\n\u003cli\u003eStrip packaging — commercial bulk format without retail wrapping\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp\u003eStrip-packaged blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e\n\u003cp\u003e36 strips of 6 per case\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225727930452,"sku":"RW286605","price":145.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/GRD286605.jpg?v=1772889627"},{"product_id":"gro-block-improved-small-4gr6-5-w-hole-4x42-6-shrink-st","title":"Grodan Gro-Block Improved Small GR6.5 – 4\"x4\"x2.6\" w\/ Hole | Shrinkwrap\/Strip","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for Precision Hydroponic Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR6.5 Small is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. Engineered for small-format propagation and early-stage crop development, this 4\"x4\"x2.6\" block delivers uniform water and nutrient distribution with Grodan’s most advanced steering capabilities.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4\" x 4\" x 2.6\" small format block with pre-cut plant hole — GR6.5 grade\u003c\/li\u003e\n\u003cli\u003eShrinkwrap\/Strip packaging — commercial bulk format for easy handling and storage\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eShrinkwrap\/Strip-packaged blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728258132,"sku":"RW286610","price":172.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286610_1.jpg?v=1752679770"},{"product_id":"gro-block-improved-large-4gr10-w-hole-4x44-shrink-strip","title":"Grodan Gro-Block Improved Large GR10 – 4\"x4\"x4\" w\/ Hole | Shrinkwrap\/Strip","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for High-Yield Hydroponic Production\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR10 Large is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 4\"x4\"x4\", this large-format block delivers the optimal balance of water retention, aeration, and root zone stability for high-yield cultivation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4\" x 4\" x 4\" large format block with pre-cut plant hole — GR10 grade\u003c\/li\u003e\n\u003cli\u003eShrinkwrap\/Strip packaging — commercial bulk format for easy handling and storage\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eShrinkwrap\/Strip-packaged blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728290900,"sku":"RW286612","price":186.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286612_1.jpg?v=1752679771"},{"product_id":"grodan-gro-block-jumbo-improved-6-x-6-4-case-of-64","title":"Grodan Gro-Block Jumbo Improved – 6\"x6\"x4\" | Case of 64","description":"\u003ch2\u003eLarge-Format Stonewool Blocks for High-Yield Commercial Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Jumbo Improved is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 6\"x6\"x4\", the Jumbo delivers exceptional root zone volume, uniform water and nutrient distribution, and Grodan’s most advanced steering capabilities — ideal for large-format, high-value crops.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6\" x 6\" x 4\" large format block — ideal for high-yield crops requiring substantial root zone volume\u003c\/li\u003e\n\u003cli\u003eWhite foil wrap for light reflection and temperature management\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eSuperior steering capabilities for precise crop management throughout the cycle\u003c\/li\u003e\n\u003cli\u003eMore uniform water distribution supports a well-defined root system with higher water and nutrient uptake capacity\u003c\/li\u003e\n\u003cli\u003eProduces robust, vigorous crops with improved uniformity\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 64 blocks, white foil wrapped for cleanliness and ease of handling.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728323668,"sku":"RW286613","price":156.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286613_1.jpg?v=1752679772"},{"product_id":"grodan-hugo-improved-6-x-6-x-5-8-loose-pallet-512-blocks","title":"Grodan Gro-Block Hugo Improved – 6\"x6\"x5.8\" | 512 Blocks Loose on Pallet","description":"\u003ch2\u003eCommercial-Scale Hugo Blocks for Long-Cycle, High-Value Crop Production\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Hugo Improved is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 6\"x6\"x5.8\", the Hugo delivers exceptional root zone volume, uniform water and nutrient distribution, and Grodan’s most advanced steering capabilities — now available at pallet scale for high-volume operations.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6\" x 6\" x 5.8\" format — ideal for long-cycle crops requiring large root zone volume\u003c\/li\u003e\n\u003cli\u003eLoose on pallet — 512 blocks per pallet for high-volume commercial operations\u003c\/li\u003e\n\u003cli\u003eWhite foil wrap for light reflection and temperature management\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eSuperior steering capabilities for precise crop management throughout the cycle\u003c\/li\u003e\n\u003cli\u003eMore uniform water distribution supports a well-defined root system with higher water and nutrient uptake capacity\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003e512 blocks loose on pallet, white foil wrapped. Ideal for commercial greenhouse and indoor farm operations.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728389204,"sku":"RW286616","price":1489.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286616_1.jpg?v=1752679773"},{"product_id":"gro-block-improved-small-3gr4-w-hole-3x3x2-6-shrink-str","title":"Grodan Gro-Block Improved Small GR4 – 3\"x3\"x2.6\" w\/ Hole | Shrinkwrap\/Strip","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for Precision Propagation \u0026amp; Early-Stage Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR4 Small is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. This compact 3\"x3\"x2.6\" block is engineered for propagation and early-stage crop development, delivering uniform water and nutrient distribution with Grodan’s most advanced steering capabilities.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3\" x 3\" x 2.6\" small format block with pre-cut plant hole — GR4 grade\u003c\/li\u003e\n\u003cli\u003eShrinkwrap\/Strip packaging — commercial bulk format for easy handling and storage\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eShrinkwrap\/Strip-packaged blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728487508,"sku":"RW286617","price":66.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286617_1.jpg?v=1752679773"},{"product_id":"gro-block-improved-small-3-gr4-no-hole-3x3x2-6-strip","title":"Grodan Gro-Block Improved Small GR4 – 3\"x3\"x2.6\" No Hole | Strip","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for Precision Propagation \u0026amp; Early-Stage Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR4 Small (No Hole) is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. This compact 3\"x3\"x2.6\" block without a pre-cut hole is ideal for growers who prefer to make their own planting hole or use it for specific propagation techniques.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3\" x 3\" x 2.6\" small format block — no pre-cut hole — GR4 grade\u003c\/li\u003e\n\u003cli\u003eStrip packaging — commercial bulk format without retail wrapping\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eStrip-packaged blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728520276,"sku":"RW286656","price":93.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286656_1.jpg?v=1752679774"},{"product_id":"gro-block-improved-large-3gr5-6-w-hole-3x3x4-shrink-str","title":"Grodan Gro-Block Improved Large GR5.6 – 3\"x3\"x4\" w\/ Hole | Shrinkwrap\/Strip","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for High-Yield Hydroponic Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR5.6 Large is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 3\"x3\"x4\", this tall-format block delivers exceptional root zone depth, uniform water and nutrient distribution, and Grodan’s most advanced steering capabilities for high-yield production.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3\" x 3\" x 4\" large format block with pre-cut plant hole — GR5.6 grade\u003c\/li\u003e\n\u003cli\u003eShrinkwrap\/Strip packaging — commercial bulk format for easy handling and storage\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eShrinkwrap\/Strip-packaged blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728585812,"sku":"RW286657","price":66.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286657_1.jpg?v=1752679776"},{"product_id":"gro-block-improved-large-4gr10-w-hole-4x44-strip","title":"Grodan Gro-Block Improved Large GR10 – 4\"x4\"x4\" w\/ Hole | Strip | Case of 144","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for High-Yield Hydroponic Production\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR10 Large is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 4\"x4\"x4\", this large-format block delivers the optimal balance of water retention, aeration, and root zone stability for high-yield cultivation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4\" x 4\" x 4\" large format block with pre-cut plant hole — GR10 grade\u003c\/li\u003e\n\u003cli\u003eStrip packaging — case of 144 blocks, commercial bulk format without retail wrapping\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 144 blocks, strip-packaged commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728913492,"sku":"RW286661","price":151.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW286661_1.jpg?v=1752679777"},{"product_id":"gro-block-improved-small-3-gr4-w-hole-3x3x2-6-strip","title":"Grodan Gro-Block Improved Small GR4 – 3\"x3\"x2.6\" w\/ Hole | Strip","description":"\u003ch2\u003eResearch-Backed Stonewool Blocks for Precision Propagation \u0026amp; Early-Stage Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR4 Small is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. This compact 3\"x3\"x2.6\" block is engineered for propagation and early-stage crop development, delivering uniform water and nutrient distribution with Grodan’s most advanced steering capabilities.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3\" x 3\" x 2.6\" small format block with pre-cut plant hole — GR4 grade\u003c\/li\u003e\n\u003cli\u003eStrip packaging — commercial bulk format without retail wrapping\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eStrip-packaged blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225728979028,"sku":"RW287055","price":190.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW287055_1.jpg?v=1752679778"},{"product_id":"grodan-gr40-uniblock-8aeux8aeux4aeu-baby-mama-case-of-36","title":"Grodan GR40 Uniblock 8”x8”x4” Baby Mama, case of 36","description":"\u003cp\u003e\u003cstrong\u003eGrodan Improved\u003cbr\u003eUniblock GR40, 8\" x 8\" x 4\"\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003eGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro-Blocks Improved with Grodan’s Advanced Wetting Agent. \u003cbr\u003e\u003cbr\u003eThese leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity, more even Water Content (WC) and Electrical Conductivity (EC) distribution throughout the entire block, and the greatest steering capabilities available. Water distribution is more uniform throughout the entire block which is the basis for a well-defined root system with higher capacities for water and nutrient uptake to produce robust and vigorous crops.\u003c\/p\u003e\u003cp\u003eNew and improved wetting agent and hydrophilic technology greatly enhances the water characteristics of Grodan Gro-Blocks Improved giving even better water distribution over the height of the block. This results in greater plant development and steerability and more efficient use of water and nutrients.\u003cbr\u003e\u003cbr\u003eOptimized wool structure allows for faster rooting-in and nutrient solution replenishment, all while the Gro-Block Improved maintains its structure, firmness, and rigidity throughout the growing process.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003eNote: This item is for commercial use and is packaged as bulk, without retail wrapping or labeling.\u003c\/em\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729011796,"sku":"RW287461","price":155.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW287461_1.jpg?v=1752679779"},{"product_id":"grodan-groblock-impvd-gr6-5-4x4x2-6-w-hole-loose-on-pal","title":"Grodan Gro-Block Improved Small GR6.5 – 4\"x4\"x2.6\" w\/ Hole | Loose on Pallet","description":"\u003ch2\u003eCommercial-Scale GR6.5 Blocks for High-Volume Hydroponic Production\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved GR6.5 Small is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 4\"x4\"x2.6\", this block delivers uniform water and nutrient distribution with Grodan’s most advanced steering capabilities — now available loose on pallet for high-volume operations.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4\" x 4\" x 2.6\" small format block with pre-cut plant hole — GR6.5 grade\u003c\/li\u003e\n\u003cli\u003eLoose on pallet — high-volume commercial format for large-scale operations\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced water distribution over the full block height\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for faster rooting-in and nutrient solution replenishment\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eBlocks loose on pallet, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729077332,"sku":"RW290153","price":1333.02,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW290153_1.jpg?v=1752679780"},{"product_id":"gro-block-improved-mini-block-1-5-shrinkwrap-strip","title":"Grodan Gro-Block Improved Mini Block – 1.5\" | Shrinkwrap\/Strip","description":"\u003ch2\u003eCompact Stonewool Blocks for Propagation \u0026amp; Seedling Development\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved Mini Block is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At just 1.5\", this ultra-compact block is engineered for high-density propagation, seedling development, and plug production, delivering uniform water and nutrient distribution with Grodan’s most advanced wetting technology.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1.5\" mini format block — ideal for high-density propagation and seedling production\u003c\/li\u003e\n\u003cli\u003eShrinkwrap\/Strip packaging — commercial bulk format for easy handling and storage\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for rapid rooting and transplant readiness\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the propagation process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eShrinkwrap\/Strip-packaged mini blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729208404,"sku":"RW294712","price":456.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW294712_1.jpg?v=1752679780"},{"product_id":"gro-block-improved-mini-block-1-5-strip","title":"Grodan Gro-Block Improved Mini Block – 1.5\" | Strip","description":"\u003ch2\u003eCompact Stonewool Blocks for Propagation \u0026amp; Seedling Development\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved Mini Block is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At just 1.5\", this ultra-compact block is engineered for high-density propagation, seedling development, and plug production, delivering uniform water and nutrient distribution with Grodan’s most advanced wetting technology.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1.5\" mini format block — ideal for high-density propagation and seedling production\u003c\/li\u003e\n\u003cli\u003eStrip packaging — commercial bulk format without retail wrapping\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for rapid rooting and transplant readiness\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the propagation process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eStrip-packaged mini blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729241172,"sku":"RW294713","price":373.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW294713_1.jpg?v=1752679781"},{"product_id":"gro-block-improved-mini-block-2-shrinkwrap-strip","title":"Grodan Gro-Block Improved Mini Block – 2\" | Shrinkwrap\/Strip","description":"\u003ch2\u003eCompact Stonewool Blocks for Propagation \u0026amp; Seedling Development\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved Mini Block 2\" is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 2\", this compact block bridges the gap between plug propagation and full-size block production, delivering uniform water and nutrient distribution with Grodan’s most advanced wetting technology.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2\" mini format block — ideal for propagation, seedling development, and transplant production\u003c\/li\u003e\n\u003cli\u003eShrinkwrap\/Strip packaging — commercial bulk format for easy handling and storage\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eOptimized wool structure for rapid rooting and transplant readiness\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the propagation process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eShrinkwrap\/Strip-packaged mini blocks, commercial bulk format. Intended for commercial use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729273940,"sku":"RW294714","price":155.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW294714_1.jpg?v=1752679783"},{"product_id":"grodan-gr-slab-improved-36x12x3-wr-tb-t-case-of-8","title":"Grodan GR-Slab Improved – 36\"x12\"x3\" WR | Case of 8","description":"\u003ch2\u003eWide-Format Stonewool Slabs for High-Density Commercial Cultivation\u003c\/h2\u003e\u003cp\u003eThe Grodan® GR-Slab Improved is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 36\"x12\"x3\", this wide-format slab is engineered for high-density planting configurations, delivering uniform water and nutrient distribution with Grodan’s most advanced steering capabilities.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 12\" x 3\" wide-format slab — ideal for high-density crop configurations\u003c\/li\u003e\n\u003cli\u003eWhite\/Rockwool (WR) wrapped — case of 8 slabs\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced, uniform water distribution across the full slab\u003c\/li\u003e\n\u003cli\u003eOptimized drainage and aeration balance for superior root zone management\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing cycle\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 8 slabs, white\/rockwool wrapped. Intended for commercial greenhouse and indoor farm use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729765460,"sku":"RW3085","price":122.52,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW3085_1.jpg?v=1752679783"},{"product_id":"grodan-improved-gro-slab-36x6x4-w-3-4x4-pre-cut-holes","title":"Grodan Gro-Slab Improved – 36\"x6\"x4\" | 3 Pre-Cut 4\"x4\" Holes","description":"\u003ch2\u003ePre-Cut Stonewool Slabs for Seamless Block-to-Slab Transitions\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Slab Improved with pre-cut holes is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 36\"x6\"x4\" with 3 pre-cut 4\"x4\" holes, this slab is engineered for direct block-to-slab transplanting, eliminating the need for manual cutting and reducing labor while maintaining optimal root zone continuity.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 6\" x 4\" slab with 3 pre-cut 4\" x 4\" holes — designed for seamless 4\" block integration\u003c\/li\u003e\n\u003cli\u003eEliminates manual hole cutting — reduces labor and improves consistency\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced, uniform water distribution across the full slab\u003c\/li\u003e\n\u003cli\u003eOptimized drainage and aeration balance for superior root zone management\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing cycle\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eWhite\/Rockwool wrapped slabs with 3 pre-cut 4\"x4\" holes. Intended for commercial greenhouse and indoor farm use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729798228,"sku":"RW324517","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW324517_1.jpg?v=1752679784"},{"product_id":"grodan-improved-gro-slab-36x6x3-w-3-4x4-pre-cut-holes","title":"Grodan Gro-Slab Improved – 36\"x6\"x3\" | 3 Pre-Cut 4\"x4\" Holes","description":"\u003ch2\u003ePre-Cut Stonewool Slabs for Seamless Block-to-Slab Transitions\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Slab Improved with pre-cut holes is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 36\"x6\"x3\" with 3 pre-cut 4\"x4\" holes, this thinner-profile slab is engineered for direct block-to-slab transplanting, eliminating the need for manual cutting and reducing labor while maintaining optimal root zone continuity.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 6\" x 3\" slab with 3 pre-cut 4\" x 4\" holes — designed for seamless 4\" block integration\u003c\/li\u003e\n\u003cli\u003eThinner 3\" profile — ideal for crops with shallower root zone requirements\u003c\/li\u003e\n\u003cli\u003eEliminates manual hole cutting — reduces labor and improves consistency\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced, uniform water distribution across the full slab\u003c\/li\u003e\n\u003cli\u003eOptimized drainage and aeration balance for superior root zone management\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing cycle\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eWhite\/Rockwool wrapped slabs with 3 pre-cut 4\"x4\" holes. Intended for commercial greenhouse and indoor farm use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729896532,"sku":"RW324521","price":87.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW324521_1.jpg?v=1752679786"},{"product_id":"grodan-improved-gro-slab-36x8x3-w-3-6x6-pre-cut-holes","title":"Grodan Gro-Slab Improved – 36\"x8\"x3\" | 3 Pre-Cut 6\"x6\" Holes","description":"\u003ch2\u003eWide-Format Pre-Cut Stonewool Slabs for Large-Block Integration\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Slab Improved with pre-cut holes is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 36\"x8\"x3\" with 3 pre-cut 6\"x6\" holes, this wide-format slab is engineered for seamless integration with 6\" blocks such as the Hugo and Jumbo, eliminating manual cutting and reducing labor while maintaining optimal root zone continuity.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 8\" x 3\" wide-format slab with 3 pre-cut 6\" x 6\" holes — designed for seamless 6\" block integration\u003c\/li\u003e\n\u003cli\u003eWider 8\" profile accommodates larger block formats and higher-density planting\u003c\/li\u003e\n\u003cli\u003eEliminates manual hole cutting — reduces labor and improves consistency\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced, uniform water distribution across the full slab\u003c\/li\u003e\n\u003cli\u003eOptimized drainage and aeration balance for superior root zone management\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing cycle\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eWhite\/Rockwool wrapped slabs with 3 pre-cut 6\"x6\" holes. Intended for commercial greenhouse and indoor farm use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225729962068,"sku":"RW325067","price":113.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW325067_1.jpg?v=1752679786"},{"product_id":"gro-block-improved-jumbo-6x6x4-w-hole-704-loose-on-pallet","title":"Grodan Gro-Block Improved Jumbo – 6\"x6\"x4\" w\/ Hole | 704 Blocks Loose on Pallet","description":"\u003ch2\u003eCommercial-Scale Jumbo Blocks for Long-Cycle, High-Value Crop Production\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Block Improved Jumbo is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 6\"x6\"x4\", the Jumbo delivers exceptional root zone volume, uniform water and nutrient distribution, and Grodan’s most advanced steering capabilities — now available loose on pallet for high-volume operations.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e6\" x 6\" x 4\" jumbo format block with pre-cut plant hole\u003c\/li\u003e\n\u003cli\u003eLoose on pallet — 704 blocks per pallet for high-volume commercial operations\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eSuperior steering capabilities for precise crop management throughout the cycle\u003c\/li\u003e\n\u003cli\u003eMore uniform water distribution supports a well-defined root system with higher water and nutrient uptake capacity\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing process\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003e704 blocks loose on pallet. Ideal for commercial greenhouse and indoor farm operations.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225730158676,"sku":"RW327710","price":1331.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW327710_1.jpg?v=1752679787"},{"product_id":"grodan-improved-gro-slab-36x8x3-w-3-4x4-pre-cut-holes","title":"Grodan Gro-Slab Improved – 36\"x8\"x3\" | 3 Pre-Cut 4\"x4\" Holes","description":"\u003ch2\u003eWide-Format Pre-Cut Stonewool Slabs for 4\" Block Integration\u003c\/h2\u003e\u003cp\u003eThe Grodan® Gro-Slab Improved with pre-cut holes is the result of a research partnership between Grodan, Wageningen University \u0026amp; Research, and top commercial growers across North America. At 36\"x8\"x3\" with 3 pre-cut 4\"x4\" holes, this wide-format slab combines a broader footprint with 4\" block compatibility, eliminating manual cutting and reducing labor while maintaining optimal root zone continuity.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e36\" x 8\" x 3\" wide-format slab with 3 pre-cut 4\" x 4\" holes — designed for seamless 4\" block integration\u003c\/li\u003e\n\u003cli\u003eWider 8\" profile supports higher-density planting and improved lateral root development\u003c\/li\u003e\n\u003cli\u003eEliminates manual hole cutting — reduces labor and improves consistency\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for optimal fiber structure and uniform WC\/EC distribution\u003c\/li\u003e\n\u003cli\u003eImproved hydrophilic technology for enhanced, uniform water distribution across the full slab\u003c\/li\u003e\n\u003cli\u003eOptimized drainage and aeration balance for superior root zone management\u003c\/li\u003e\n\u003cli\u003eMaintains structure, firmness, and rigidity throughout the growing cycle\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eWhite\/Rockwool wrapped slabs with 3 pre-cut 4\"x4\" holes. Intended for commercial greenhouse and indoor farm use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225730191444,"sku":"RW327258","price":122.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW327258_1.jpg?v=1752679786"},{"product_id":"grodan-1-5aeu-ao-prefilled-tray-case-of-1-500","title":"Grodan A-OK 1.5\" Starter Plugs – Prefilled Tray | Case of 1,500","description":"\u003ch2\u003eReady-to-Use Stonewool Starter Plugs for High-Volume Propagation\u003c\/h2\u003e\u003cp\u003eGrodan® A-OK Starter Plugs in prefilled trays are engineered for commercial propagation operations that demand consistency, speed, and scale. Each 1.5\" plug comes pre-seated in a tray, ready for seeding or cutting insertion — eliminating manual plug placement and reducing labor at the propagation stage.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1.5\" A-OK stonewool starter plugs — prefilled and pre-positioned in trays\u003c\/li\u003e\n\u003cli\u003eCase of 1,500 plugs — high-volume commercial format\u003c\/li\u003e\n\u003cli\u003eUniform plug density and moisture retention for consistent germination and rooting\u003c\/li\u003e\n\u003cli\u003eOptimal air-to-water ratio supports rapid root development\u003c\/li\u003e\n\u003cli\u003eCompatible with standard propagation trays and transplant workflows\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eSeamlessly transplants into Grodan Gro-Blocks and slabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 1,500 A-OK 1.5\" starter plugs in prefilled trays. Intended for commercial propagation use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225731305556,"sku":"RW338009","price":246.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW338009_1.jpg?v=1752679792"},{"product_id":"grodan-gr-unislab-9-4x7-6x3-9-with-4x4-hole-case-of-16","title":"Grodan Improved Uni-Slab – 9.5\"x8\"x4\" | (1) 4\"x4\" Pre-Cut Hole | Case of 16","description":"\u003ch2\u003ePrecision Steering, Built-In Convenience\u003c\/h2\u003e\u003cp\u003eThe Grodan® Improved Uni-Slab™ combines a wide irrigation control range with the added convenience of a pre-cut 4\"x4\" plant hole — making transplanting faster and more consistent. Engineered for single-plant systems, this slab gives commercial growers the flexibility to steer crop development with precision while maintaining optimal root zone conditions throughout the cycle.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e9.5\" x 8\" x 4\" slab with (1) pre-cut 4\"x4\" plant hole for easy transplanting\u003c\/li\u003e\n\u003cli\u003eWide control range for flexible irrigation steering strategies\u003c\/li\u003e\n\u003cli\u003eInert hydrophilic stonewool fibre technology for consistent moisture distribution\u003c\/li\u003e\n\u003cli\u003eHigh resaturation capacity supports rapid recovery between irrigation events\u003c\/li\u003e\n\u003cli\u003eOptimized air-to-water ratio for vigorous root development and oxygen availability\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 16 slabs. Each slab features one pre-cut 4\"x4\" hole, wrapped for cleanliness and ease of handling.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225731534932,"sku":"RW342680","price":81.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW342680_1.jpg?v=1752679793"},{"product_id":"grodan-1-5aeu-ao-pre-cut-loose-in-box-case-of-2-310","title":"Grodan A-OK 1.5\" Starter Plugs – Pre-Cut, Loose in Box | Case of 2,310","description":"\u003ch2\u003eHigh-Volume Stonewool Starter Plugs for Flexible Propagation Workflows\u003c\/h2\u003e\u003cp\u003eGrodan® A-OK Starter Plugs pre-cut and loose in box offer maximum flexibility for commercial propagation operations. Each 1.5\" plug is pre-cut and ready for seeding or cutting insertion, shipped loose in box for easy bulk handling and custom tray loading at scale.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1.5\" A-OK stonewool starter plugs — pre-cut and loose in box\u003c\/li\u003e\n\u003cli\u003eCase of 2,310 plugs — high-volume commercial format for large-scale operations\u003c\/li\u003e\n\u003cli\u003eFlexible bulk format — load into any compatible propagation tray configuration\u003c\/li\u003e\n\u003cli\u003eUniform plug density and moisture retention for consistent germination and rooting\u003c\/li\u003e\n\u003cli\u003eOptimal air-to-water ratio supports rapid root development\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eSeamlessly transplants into Grodan Gro-Blocks and slabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 2,310 A-OK 1.5\" starter plugs, pre-cut and loose in box. Intended for commercial propagation use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225731567700,"sku":"RW343295","price":281.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW343295_1.jpg?v=1752679794"},{"product_id":"grodan-mini-cubes-5-07-cu-ft-loose","title":"Grodan Mini Cubes – 5.07 cu\/ft | Loose","description":"\u003ch2\u003eVersatile Stonewool Mini Cubes for Hydroponic \u0026amp; Aquaponic Systems\u003c\/h2\u003e\u003cp\u003eGrodan® Mini Cubes are precision-cut stonewool cubes engineered for use as a loose growing medium in hydroponic, aquaponic, and custom substrate applications. At 5.07 cubic feet loose, this bulk format is ideal for commercial operations requiring flexible, high-volume growing media.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5.07 cu\/ft loose bulk format — ideal for commercial-scale operations\u003c\/li\u003e\n\u003cli\u003ePrecision-cut stonewool mini cubes for uniform particle size and consistent performance\u003c\/li\u003e\n\u003cli\u003eExcellent air-to-water ratio for optimal root zone oxygenation\u003c\/li\u003e\n\u003cli\u003eSuperior water retention and drainage balance for consistent crop performance\u003c\/li\u003e\n\u003cli\u003eInert, pH-neutral substrate — no buffering required\u003c\/li\u003e\n\u003cli\u003eCompatible with drip, NFT, flood-and-drain, and custom hydroponic systems\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003e5.07 cubic feet of Grodan Mini Cubes, loose bulk format. Intended for commercial hydroponic and aquaponic use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225731764308,"sku":"RW31580","price":113.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/GRD31580.jpg?v=1772898801"},{"product_id":"grodan-mini-cubes-2-cu-ft-bag-case-of-3","title":"Grodan Mini Cubes – 2 cu\/ft Bag | Case of 3","description":"\u003ch2\u003eBagged Stonewool Mini Cubes for Hydroponic \u0026amp; Aquaponic Systems\u003c\/h2\u003e\u003cp\u003eGrodan® Mini Cubes in convenient 2 cubic foot bags offer the same precision-cut stonewool performance as the bulk loose format, packaged for easier handling, storage, and resale. Each case contains 3 bags (6 cu\/ft total), making it ideal for smaller commercial operations, retail, or growers who prefer manageable bag sizes.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 cu\/ft per bag — case of 3 bags (6 cu\/ft total)\u003c\/li\u003e\n\u003cli\u003eConvenient bagged format for easy handling, storage, and resale\u003c\/li\u003e\n\u003cli\u003ePrecision-cut stonewool mini cubes for uniform particle size and consistent performance\u003c\/li\u003e\n\u003cli\u003eExcellent air-to-water ratio for optimal root zone oxygenation\u003c\/li\u003e\n\u003cli\u003eSuperior water retention and drainage balance for consistent crop performance\u003c\/li\u003e\n\u003cli\u003eInert, pH-neutral substrate — no buffering required\u003c\/li\u003e\n\u003cli\u003eCompatible with drip, NFT, flood-and-drain, and custom hydroponic systems\u003c\/li\u003e\n\u003cli\u003eReusable and recyclable — part of Grodan’s sustainable growing program\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 3 bags, 2 cu\/ft each (6 cu\/ft total). Intended for commercial hydroponic and aquaponic use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225731797076,"sku":"RW30298","price":138.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RW91003_1.jpg?v=1752679796"},{"product_id":"ao-25-40-10-10-cubes-1x1-30-sheets-of-200","title":"Grodan A-OK 25\/40 Cubes – 1\"x1\" | 30 Sheets of 200","description":"\u003ch2\u003ePrecision Stonewool Cubes for High-Density Propagation \u0026amp; Seeding\u003c\/h2\u003e\u003cp\u003eGrodan® A-OK 25\/40 Cubes are precision-cut 1\"x1\" stonewool cubes in sheet format, engineered for high-density commercial seeding and propagation. Each sheet contains 200 cubes in a 10x10 configuration, and each case contains 30 sheets (6,000 cubes total) — ideal for large-scale germination and cutting production workflows.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1\" x 1\" (25mm x 40mm) stonewool cubes in sheet format — 10x10 configuration per sheet\u003c\/li\u003e\n\u003cli\u003e30 sheets per case — 6,000 cubes total for high-volume propagation\u003c\/li\u003e\n\u003cli\u003eUniform cube density and moisture retention for consistent germination and rooting\u003c\/li\u003e\n\u003cli\u003eOptimal air-to-water ratio supports rapid root development\u003c\/li\u003e\n\u003cli\u003eCompatible with automated seeding equipment and standard propagation trays\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eSeamlessly transplants into Grodan Gro-Blocks and slabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003e30 sheets of 200 A-OK 25\/40 1\"x1\" stonewool cubes (6,000 cubes total). Intended for commercial propagation use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225732190292,"sku":"RWAO2540","price":507.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RWAO2540_1.jpg?v=1752679798"},{"product_id":"ao-36-40-6-15-cubes-1-5x1-5-30-sheets-of-98","title":"Grodan A-OK Starter Plugs 36\/40 – 1.5\"x1.5\" | 30 Sheets of 98","description":"\u003ch2\u003eCommercial Stonewool Starter Plugs for Propagation \u0026amp; Seeding\u003c\/h2\u003e\u003cp\u003eGrodan® A-OK Starter Plugs 36\/40 are precision-formed 1.5\"x1.5\" stonewool plugs in sheet format, engineered for commercial seeding and cutting propagation. Each sheet contains 98 plugs, and each case contains 30 sheets (2,940 plugs total) — ideal for large-scale germination and propagation workflows.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1.5\" x 1.5\" (36mm x 40mm) A-OK stonewool starter plugs in sheet format\u003c\/li\u003e\n\u003cli\u003e30 sheets per case — 2,940 plugs total for high-volume propagation\u003c\/li\u003e\n\u003cli\u003eUniform plug density and moisture retention for consistent germination and rooting\u003c\/li\u003e\n\u003cli\u003eOptimal air-to-water ratio supports rapid root development\u003c\/li\u003e\n\u003cli\u003eCompatible with standard propagation trays and automated seeding equipment\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eSeamlessly transplants into Grodan Gro-Blocks and slabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003e30 sheets of 98 A-OK 36\/40 1.5\"x1.5\" stonewool starter plugs (2,940 plugs total). Intended for commercial propagation use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225732649044,"sku":"RW293824","price":337.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RWAO3640_1.jpg?v=1752679799"},{"product_id":"grodan-pro-a-ok-50-40-6-15-2x2-case-of-1-500-comm","title":"Grodan Pro A-OK 50\/40 – 2\"x2\" Starter Plugs | Case of 1,500","description":"\u003ch2\u003eLarge-Format Stonewool Starter Plugs for Commercial Propagation\u003c\/h2\u003e\u003cp\u003eGrodan® Pro A-OK 50\/40 Starter Plugs are precision-formed 2\"x2\" stonewool plugs engineered for commercial propagation of larger cuttings and seedlings. The 50\/40 format (50mm x 40mm) provides greater root zone volume than standard 1.5\" plugs, supporting faster establishment and stronger transplants at scale.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2\" x 2\" (50mm x 40mm) Pro A-OK stonewool starter plugs\u003c\/li\u003e\n\u003cli\u003eCase of 1,500 plugs — high-volume commercial format\u003c\/li\u003e\n\u003cli\u003eGreater root zone volume for larger cuttings and seedlings\u003c\/li\u003e\n\u003cli\u003eUniform plug density and moisture retention for consistent germination and rooting\u003c\/li\u003e\n\u003cli\u003eOptimal air-to-water ratio supports rapid root development\u003c\/li\u003e\n\u003cli\u003eAdvanced Wetting Agent (AWA) for fast, uniform saturation\u003c\/li\u003e\n\u003cli\u003eSeamlessly transplants into Grodan Gro-Blocks and slabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cp\u003eCase of 1,500 Grodan Pro A-OK 50\/40 2\"x2\" starter plugs. Intended for commercial propagation use.\u003c\/p\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":42225733140564,"sku":"RW293845","price":328.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/RWP31384_1.jpg?v=1752679802"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/collections\/grodan_logo.webp?v=1772902484","url":"https:\/\/customhydronutrients.com\/collections\/grodan.oembed?page=2","provider":"Custom Hydro","version":"1.0","type":"link"}