Collection: Grodan
Grodan Stone Wool Growing Media
Grodan is the world leader in stone wool substrate solutions engineered for precision growing in commercial medicinal and food crop production. As a certified Grodan Elite Partner, Custom Hydro offers the complete Grodan product line backed by expert agronomic support.
Why Grodan?
- Consistent water and air distribution for optimal root zone management
- Sustainable manufacturing — Grodan stone wool is recyclable and produced with a low carbon footprint
- Precision-engineered for high-wire vegetable, specialty crop, and specialty crop production
- Proven performance in commercial greenhouses and controlled environment agriculture (CEA) worldwide
Product Range
Grodan'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.
Custom Hydro Elite Partner Advantage
As 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.
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Grodan Gro-Block Improved Mini Block – 2" |...Vendor:GrodanRegular price $155.93Regular priceUnit price per$554.99Sale price $155.93Grower Price -
Grodan Gro-Block Improved Mini Block – 1.5" |...Vendor:GrodanRegular price $373.59Regular priceUnit price per$501.99Sale price $373.59Grower Price -
Grodan Gro-Block Improved Mini Block – 1.5" |...Vendor:GrodanRegular price $456.58Regular priceUnit price per$613.99Sale price $456.58Grower Price -
Grodan Gro-Block Improved Small GR6.5 – 4"x4"x2.6" w/...Vendor:GrodanRegular price $1,333.02Regular priceUnit price per
$1,616.99Sale price $1,333.02Sold out -
Grodan GR40 Uniblock 8â€x8â€x4†Baby Mama, case of...Vendor:GrodanRegular price $155.98Regular priceUnit price per
$209.99Sale price $155.98Grower Price -
Grodan Gro-Block Improved Small GR4 – 3"x3"x2.6" w/...Vendor:GrodanRegular price $190.17Regular priceUnit price per
$255.99Sale price $190.17Grower Price -
Grodan Gro-Block Improved Large GR10 – 4"x4"x4" w/...Vendor:GrodanRegular price $151.32Regular priceUnit price per
$202.99Sale price $151.32Grower Price -
Grodan Gro-Block Improved Large GR5.6 – 3"x3"x4" w/...Vendor:GrodanRegular price $66.50Regular priceUnit price per
$368.95Sale price $66.50Sold out -
Grodan Gro-Block Improved Small GR4 – 3"x3"x2.6" No...Vendor:GrodanRegular price $93.10Regular priceUnit price per
$369.05Sale price $93.10Sold out -
Grodan Gro-Block Improved Small GR4 – 3"x3"x2.6" w/...Vendor:GrodanRegular price $66.50Regular priceUnit price per
$369.05Sale price $66.50Sold out -
Grodan Gro-Block Hugo Improved – 6"x6"x5.8" | 512...Vendor:GrodanRegular price $1,489.90Regular priceUnit price per$1,969.99Sale price $1,489.90Grower Price -
Grodan Gro-Block Jumbo Improved – 6"x6"x4" | Case...Vendor:GrodanRegular price $156.95Regular priceUnit price per$210.99Sale price $156.95Grower Price -
Grodan Gro-Block Improved Large GR10 – 4"x4"x4" w/...Vendor:GrodanRegular price $186.20Regular priceUnit price per
$313.05Sale price $186.20Sold out -
Grodan Gro-Block Improved Small GR6.5 – 4"x4"x2.6" w/...Vendor:GrodanRegular price $172.90Regular priceUnit price per
$287.25Sale price $172.90Sold out -
Grodan Gro-Block Improved Small GR6.5 – 4"x4"x2.6" w/...Vendor:GrodanRegular price $145.22Regular priceUnit price per
$194.99Sale price $145.22Grower Price -
Grodan Gro-Block Hugo Improved – 6"x6"x5.8" | Case...Vendor:GrodanRegular price $221.80Regular priceUnit price per
$297.99Sale price $221.80Grower Price
Serving Arkansas, Kansas, Missouri and Oklahoma. Shipping Nationwide! Wholesale to the public!