{"title":"Haifa SOP GG 0-0-51 — Potassium Sulfate","description":"\u003ch2\u003eHaifa SOP GG 0-0-51 — Greenhouse-Grade Water-Soluble Potassium Sulfate\u003c\/h2\u003e\n\u003cp\u003eHaifa SOP GG is a premium greenhouse-grade potassium sulfate delivering \u003cstrong\u003e51% K₂O\u003c\/strong\u003e and \u003cstrong\u003e18% sulfate sulfur\u003c\/strong\u003e in a fully water-soluble, chloride-free formulation. Produced by Haifa Fertilizers, SOP GG is specifically engineered for hydroponic and fertigation systems — dissolving rapidly and completely with no residue, and providing a slightly acidic pH that helps prevent irrigation line blockages and improves phosphate and micronutrient availability in alkaline water.\u003c\/p\u003e\n\u003cp\u003eNitrogen-free and sodium-free, Haifa SOP GG allows precise potassium management without affecting the nitrogen balance of your nutrient program — ideal for fruiting and finishing stages where high K:N ratios are required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e51% K₂O\u003c\/strong\u003e — high-analysis potassium for efficient delivery per kilogram of product\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18% sulfate sulfur\u003c\/strong\u003e — immediately plant-available; supports protein synthesis and quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen-free\u003c\/strong\u003e — precise K control without affecting N:K ratio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChloride and sodium free\u003c\/strong\u003e — safe for recirculating systems and chloride-sensitive crops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcidic pH in solution\u003c\/strong\u003e — helps prevent line blockages; improves P and micronutrient availability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% water soluble\u003c\/strong\u003e — dissolves completely; no residue or clogging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreenhouse grade\u003c\/strong\u003e — produced to strict purity standards for professional horticulture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHydroponic nutrient programs — NFT, DWC, ebb \u0026amp; flow, drip\u003c\/li\u003e\n\u003cli\u003eGreenhouse fertigation for tomatoes, peppers, cucumbers, and specialty crop\u003c\/li\u003e\n\u003cli\u003eFruiting and finishing stage potassium boost\u003c\/li\u003e\n\u003cli\u003eAlkaline water correction — acidic pH improves nutrient availability\u003c\/li\u003e\n\u003cli\u003eChloride-sensitive crop production\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalysis:\u003c\/strong\u003e 0-0-51 + 18% S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotassium (K₂O):\u003c\/strong\u003e 51%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSulfur (S):\u003c\/strong\u003e 18% sulfate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChloride:\u003c\/strong\u003e Free | \u003cstrong\u003eSodium:\u003c\/strong\u003e Free | \u003cstrong\u003eNitrogen:\u003c\/strong\u003e Free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Haifa Fertilizers\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"haifa-sop-gg-0-0-51-55-lb","title":"Haifa SOP GG 0-0-51 55 lb.","description":"\u003ch2\u003eHaifa SOP GG 0-0-51 — Greenhouse Grade Potassium Sulfate, 55 lb. Bag\u003c\/h2\u003e\u003cp\u003eWhen your operation demands professional-grade potassium nutrition at scale, Haifa SOP GG 0-0-51 delivers. This 55 lb. bag is the standard choice for commercial greenhouse growers, hydroponic facilities, and fertigation programs that require a reliable, high-purity potassium sulfate with consistent performance batch after batch.\u003c\/p\u003e\u003ch3\u003eWhy Growers Choose Haifa SOP\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e51% K₂O\u003c\/strong\u003e — high-concentration, nitrogen-free potassium for precise crop nutrition at any growth stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18% sulfate-sulfur\u003c\/strong\u003e — immediately plant-available, no soil conversion needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid, complete dissolution\u003c\/strong\u003e — 100 kg dissolves in 1,000 L of water in minutes at 20°C with no insoluble residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow chloride, low salt index (46)\u003c\/strong\u003e — safe for salt-sensitive crops including tomatoes, peppers, cucumbers, and specialty crop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen-free\u003c\/strong\u003e — ideal for late-stage fruiting, ripening, and K-loading phases without disrupting N balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLowers stock solution pH\u003c\/strong\u003e — helps maintain optimal pH range in fertigation and hydroponic systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eUse in hydroponic reservoirs, drip fertigation, NFT, DWC, and foliar programs. Particularly effective during flowering and fruiting when potassium demand peaks. Compatible with most water-soluble fertilizers for custom nutrient formulations.\u003c\/p\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_Label_55lb_bag-7732357300308.pdf?v=1755522816\" title=\"Haifa SOP GG 0-0-51 Fertilizer Label\" rel=\"noopener\" target=\"_blank\"\u003eLabel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_0-0-51_spec_sheet-7732357300308.pdf?v=1755522930\" title=\"Haifa SOP 0-0-51 specifications\" target=\"_blank\"\u003eTechnical Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_MSDS-7732357300308.pdf?v=1755523012\" title=\"Haifa SOP safety data sheet\" rel=\"noopener\" target=\"_blank\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/CDFA_Fertilizer_Product_Database_Haifa_SOP_0-0-51-7732357300308.pdf?v=1755523139\" title=\"CDFA registration and heavy metals report Haifa SOP 0-0-51\" target=\"_blank\"\u003eCDFA Registration \u0026amp; Heavy Metals Report\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haifa Fertilizers","offers":[{"title":"Default Title","offer_id":42225680646228,"sku":"Haifa-SOP-55lb.","price":41.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/haifa_20sop_20gg_2055lb_20bag.jpg?v=1752679475"},{"product_id":"sulfate-of-potash-0-0-51-greenhouse-grade-1-lb","title":"Sulfate of Potash 0-0-51 Greenhouse Grade 1 lb.","description":"\u003ch2\u003eSulfate of Potash 0-0-51 — Greenhouse Grade Potassium Sulfate, 1 lb. \u003c\/h2\u003e\n\u003cp\u003eStart your potassium program right with this greenhouse-grade sulfate of potash — one of the most trusted water-soluble potassium sulfate fertilizers in professional horticulture. This 1 lb. size is perfect for trialing in small hydroponic systems, bench-top nutrient formulations, or evaluating SOP before scaling up.\u003c\/p\u003e\n\u003ch3\u003eWhy Growers Choose This SOP\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e51% K₂O\u003c\/strong\u003e — high-concentration, nitrogen-free potassium for precise crop nutrition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18% sulfate-sulfur\u003c\/strong\u003e — immediately plant-available, no soil conversion needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid, complete dissolution\u003c\/strong\u003e — 100 kg dissolves in 1,000 L of water in minutes at 20°C with no insoluble residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow chloride, low salt index (46)\u003c\/strong\u003e — safe for salt-sensitive crops including tomatoes, peppers, cucumbers, and specialty crop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen-free\u003c\/strong\u003e — ideal for late-stage fruiting, ripening, and K-loading phases\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eUse in hydroponic reservoirs, drip fertigation, foliar programs, and custom nutrient blends. Particularly effective during flowering and fruiting when potassium demand peaks and nitrogen must remain controlled.\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_0-0-51_spec_sheet-7732364509268.pdf?v=1755578820\" title=\"SOP 0-0-51 specifications\" rel=\"noopener\" target=\"_blank\"\u003eTechnical Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_MSDS-7732364509268.pdf?v=1755578915\" title=\"SOP safety data sheet\" target=\"_blank\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/CDFA_Fertilizer_Product_Database_Haifa_SOP_0-0-51-7732364509268.pdf?v=1755578983\" title=\"CDFA registration and heavy metals report SOP 0-0-51\" rel=\"noopener\" target=\"_blank\"\u003eCDFA Registration \u0026amp; Heavy Metals Report\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Hydro","offers":[{"title":"Default Title","offer_id":42225699684436,"sku":"Haifa-SOP-1lb.","price":9.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/one_pound_short_jar_image_Hiafa_SOP_20_1.jpg?v=1752679561"},{"product_id":"sulfate-of-potash-0-0-51-greenhouse-grade-4-lb","title":"Sulfate of Potash 0-0-51 GG 4 lb.","description":"\u003ch2\u003eSulfate of Potash 0-0-51 — Greenhouse Grade Potassium Sulfate, 4 lb.\u003c\/h2\u003e\u003cp\u003eA versatile mid-size option for home growers, small commercial operations, and nutrient formulators. This greenhouse-grade sulfate of potash delivers professional-level potassium nutrition in a convenient 4 lb. jar — enough to run multiple reservoir fills or build custom nutrient blends without committing to bulk quantities.\u003c\/p\u003e\u003ch3\u003eWhy Growers Choose This SOP\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e51% K₂O\u003c\/strong\u003e — high-concentration, nitrogen-free potassium for precise crop nutrition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18% sulfate-sulfur\u003c\/strong\u003e — immediately plant-available, no soil conversion needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid, complete dissolution\u003c\/strong\u003e — 100 kg dissolves in 1,000 L of water in minutes at 20°C with no insoluble residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow chloride, low salt index (46)\u003c\/strong\u003e — safe for salt-sensitive crops including tomatoes, peppers, cucumbers, and specialty crop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen-free\u003c\/strong\u003e — ideal for late-stage fruiting, ripening, and K-loading phases\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eUse in hydroponic reservoirs, drip fertigation, foliar programs, and custom nutrient blends. Particularly effective during flowering and fruiting when potassium demand peaks and nitrogen must remain controlled.\u003c\/p\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_0-0-51_spec_sheet-7732364542036.pdf?v=1755579261\" title=\"SOP 0-0-51 specifications\" rel=\"noopener\" target=\"_blank\"\u003eTechnical Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_MSDS-7732364542036.pdf?v=1755579463\" title=\"SOP safety data sheet\" target=\"_blank\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/CDFA_Fertilizer_Product_Database_Haifa_SOP_0-0-51-7732364542036.pdf?v=1755579538\" title=\"CDFA registration and heavy metals report SOP 0-0-51\" target=\"_blank\" rel=\"noopener\"\u003eCDFA Registration \u0026amp; Heavy Metals Report\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Hydro","offers":[{"title":"Default Title","offer_id":42225699717204,"sku":"Haifa-SOP-4lb.","price":13.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/four_pound_short_jar_image_Haifa_SOP.jpg?v=1752679562"},{"product_id":"sulfate-of-potash-0-0-51-greenhouse-grade-20-lb","title":"Sulfate of Potash 0-0-51 GG 20 lb.","description":"\u003ch2\u003eSulfate of Potash 0-0-51 — Greenhouse Grade Potassium Sulfate, 20 lb.\u003c\/h2\u003e\u003cp\u003eThe go-to size for serious home growers and small commercial operations. This 20 lb. pail of greenhouse-grade sulfate of potash gives you enough to run a full season of reservoir fills, custom nutrient programs, or fertigation schedules — without the footprint of a full bulk bag.\u003c\/p\u003e\u003ch3\u003eWhy Growers Choose This SOP\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e51% K₂O\u003c\/strong\u003e — high-concentration, nitrogen-free potassium for precise crop nutrition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18% sulfate-sulfur\u003c\/strong\u003e — immediately plant-available, no soil conversion needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid, complete dissolution\u003c\/strong\u003e — 100 kg dissolves in 1,000 L of water in minutes at 20°C with no insoluble residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow chloride, low salt index (46)\u003c\/strong\u003e — safe for salt-sensitive crops including tomatoes, peppers, cucumbers, and specialty crop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen-free\u003c\/strong\u003e — ideal for late-stage fruiting, ripening, and K-loading phases\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eUse in hydroponic reservoirs, drip fertigation, foliar programs, and custom nutrient blends. Particularly effective during flowering and fruiting when potassium demand peaks and nitrogen must remain controlled.\u003c\/p\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"SOP 0-0-51 specifications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_0-0-51_spec_sheet-7732364640340.pdf?v=1755579726\" target=\"_blank\"\u003eTechnical Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"SOP safety data sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_MSDS-7732364640340.pdf?v=1755579802\" target=\"_blank\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"CDFA registration and heavy metals report SOP 0-0-51\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/CDFA_Fertilizer_Product_Database_Haifa_SOP_0-0-51-7732364640340.pdf?v=1755579912\" target=\"_blank\"\u003eCDFA Registration \u0026amp; Heavy Metals Report\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Hydro","offers":[{"title":"Default Title","offer_id":42225699979348,"sku":"Haifa-SOP-20lb.","price":36.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/2_gallon_bucket_20_pound_image_Haifa_SOP.jpg?v=1752679562"},{"product_id":"sulfate-of-potash-0-0-51-greenhouse-grade-40-lb","title":"Sulfate of Potash 0-0-51 GG 40 lb.","description":"\u003ch2\u003eSulfate of Potash 0-0-51 — Greenhouse Grade Potassium Sulfate, 40 lb.\u003c\/h2\u003e\u003cp\u003eThe preferred bulk size for commercial growers, nutrient formulators, and high-volume hydroponic operations. This 40 lb. pail of greenhouse-grade sulfate of potash delivers a full season’s worth of precision potassium nutrition — ready to dissolve on demand with no residue, no waste.\u003c\/p\u003e\u003ch3\u003eWhy Growers Choose This SOP\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e51% K₂O\u003c\/strong\u003e — high-concentration, nitrogen-free potassium for precise crop nutrition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18% sulfate-sulfur\u003c\/strong\u003e — immediately plant-available, no soil conversion needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid, complete dissolution\u003c\/strong\u003e — 100 kg dissolves in 1,000 L of water in minutes at 20°C with no insoluble residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow chloride, low salt index (46)\u003c\/strong\u003e — safe for salt-sensitive crops including tomatoes, peppers, cucumbers, and specialty crop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrogen-free\u003c\/strong\u003e — ideal for late-stage fruiting, ripening, and K-loading phases\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cp\u003eUse in hydroponic reservoirs, drip fertigation, foliar programs, and custom nutrient blends. Particularly effective during flowering and fruiting when potassium demand peaks and nitrogen must remain controlled.\u003c\/p\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"SOP 0-0-51 specifications\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_0-0-51_spec_sheet-7732376666196.pdf?v=1755582854\" target=\"_blank\"\u003eTechnical Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"SOP safety data sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_MSDS-7732376666196.pdf?v=1755582928\" target=\"_blank\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"CDFA registration and heavy metals report SOP 0-0-51\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/CDFA_Fertilizer_Product_Database_Haifa_SOP_0-0-51-7732376666196.pdf?v=1755583012\" target=\"_blank\"\u003eCDFA Registration \u0026amp; Heavy Metals Report\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Custom Hydro","offers":[{"title":"Default Title","offer_id":42225723506772,"sku":"Haifa-SOP-40lb.","price":62.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/5_gallon_bucket_40_pound_image_sop_0_0_51.png?v=1773502931"},{"product_id":"haifa-sop-bio-0-0-52","title":"Haifa SOP BIO Organic 0-0-52 55 lb","description":"\u003ch2\u003ePremium Organic-Certified Potassium Sulfate for Sustainable Agriculture\u003c\/h2\u003e\n\u003cp\u003eHaifa SOP Bio delivers chloride-free potassium and sulfur in a fully water-soluble formula certified for organic production under EU regulations (EC) 834\/2007 and (EC) 889\/2008. With 52% K₂O and 18% sulfur, this premium-grade potassium sulfate provides essential nutrients that enhance crop quality, improve stress tolerance, and maximize storage life—all while meeting the strict standards required for certified organic operations.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganic Certification:\u003c\/strong\u003e Approved for use in organic agriculture and horticulture under EU Directives, making it ideal for certified organic growers and transitioning operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChloride-Free Potassium:\u003c\/strong\u003e Sulfate form prevents chloride accumulation and salt stress, particularly important for chloride-sensitive crops like berries, tobacco, potatoes, and tree fruits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Nutrient Action:\u003c\/strong\u003e Supplies both potassium (43% K, 52% K₂O) and sulfur (18% S) in plant-available forms for synergistic crop benefits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Solubility:\u003c\/strong\u003e Dissolves fully in water for fertigation, drip irrigation, foliar application, and hydroponic systems without clogging or residue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Enhancement:\u003c\/strong\u003e Increases dry matter content, sugar levels, firmness, color development, and post-harvest shelf life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStress Resistance:\u003c\/strong\u003e Strengthens cell walls, improves drought tolerance, and enhances natural disease resistance through optimized potassium nutrition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eNutrient\u003c\/th\u003e\n\u003cth\u003eContent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePotassium (K₂O)\u003c\/td\u003e\n\u003ctd\u003e52.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePotassium (K)\u003c\/td\u003e\n\u003ctd\u003e43.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSulfur (S)\u003c\/td\u003e\n\u003ctd\u003e18.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSulfate (SO₃)\u003c\/td\u003e\n\u003ctd\u003e45.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAnalysis:\u003c\/strong\u003e 0-0-52 (N-P₂O₅-K₂O)\u003cbr\u003e\u003cstrong\u003eForm:\u003c\/strong\u003e Water-soluble crystalline powder\u003cbr\u003e\u003cstrong\u003eChloride content:\u003c\/strong\u003e \u0026lt;2% (chloride-free grade)\u003cbr\u003e\u003cstrong\u003ePackage size:\u003c\/strong\u003e 55 lb. bag\u003c\/p\u003e\n\u003ch3\u003eApplication Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFertigation\/Drip Irrigation:\u003c\/strong\u003e Apply 10-30 lbs per acre per week during fruit development and maturation stages. Dissolve completely before injection. Adjust rates based on soil tests and crop demand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFoliar Application:\u003c\/strong\u003e Mix 3-5 lbs per 100 gallons of water. Apply during fruit sizing and ripening to enhance quality parameters. Add a non-ionic surfactant for improved uptake.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoil Application:\u003c\/strong\u003e Broadcast or band 50-150 lbs per acre depending on soil test results and crop requirements. Incorporate before planting or side-dress during the growing season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHydroponics:\u003c\/strong\u003e Maintain 200-300 ppm K in nutrient solution for most crops. Adjust based on crop type, growth stage, and production goals. Monitor EC after addition.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Do not tank-mix with calcium-based fertilizers to avoid precipitation. Compatible with most other water-soluble fertilizers.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Potassium Sulfate for Organic Production?\u003c\/h3\u003e\n\u003cp\u003ePotassium is essential for enzyme activation, protein synthesis, water regulation, and carbohydrate translocation. It directly influences crop quality attributes including sugar content, acidity, firmness, color, and storage potential. Sulfur supports protein formation, enzyme function, and chlorophyll production while enhancing nitrogen use efficiency.\u003c\/p\u003e\n\u003cp\u003eUnlike potassium chloride (muriate of potash), potassium sulfate provides potassium without chloride, preventing salt accumulation and chloride toxicity in sensitive crops. The sulfate form also supplies valuable sulfur, making SOP Bio a dual-purpose nutrient source that supports both yield and quality.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eCertified organic operations, chloride-sensitive crops (berries, grapes, tobacco, potatoes, citrus, stone fruits), greenhouse production, hydroponic systems, high-value vegetables, and any application where premium quality and chloride-free nutrition are priorities.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eHaifa SOP Bio combines the agronomic performance professional growers demand with the organic certification sustainable agriculture requires.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/sop-bio-spec.pdf?v=1773503966\" target=\"_blank\" title=\"Haifa SOP BIO 0-0-52 specifications sheet\" rel=\"noopener\"\u003e\u003cem\u003eSpecification Sheet\u003c\/em\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_Bio_0-0-52_Label1.pdf?v=1773503966\" target=\"_blank\" title=\"Haifa SOP BIO 0-0-52 fertilizer label\" rel=\"noopener\"\u003e\u003cem\u003eLABEL\u003c\/em\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/Haifa_SOP_BIO_0-0-52_MSDS.pdf?v=1773503965\" target=\"_blank\" title=\"safety data sheet\" rel=\"noopener\"\u003e\u003cem\u003eSDS\u003c\/em\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/hnb-19779-cert_1.pdf?v=1773504299\" target=\"_blank\" title=\"OMRI certificate for Haifa SOP BIO 0-0-52 fertilizer\" rel=\"noopener\"\u003e\u003cem\u003eOMRI CERTIFICATE\u003c\/em\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Haifa Fertilizers","offers":[{"title":"Default Title","offer_id":42898580963412,"sku":"Haifa-BIO-55lb.","price":40.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/5365\/5380\/files\/rn-image_picker_lib_temp_c74d2a37-7583-410d-b123-4d3b48ae5641.webp?v=1770674940"}],"url":"https:\/\/customhydronutrients.com\/collections\/haifa-sop-gg-0-0-51-potassium-sulfate.oembed","provider":"Custom Hydro","version":"1.0","type":"link"}