The CubeCap enables you to naturally and efficiently minimize Algae, Fungus Gnats and their root eating Larva found on Rockwool and Coco growing blocks.
$1.95
Qty: The organic alternative to plastic covers for rockwool blocks. Use Coco Caps to help prevent light penetration that may cause algae growth.
$4.95
Qty: The Uni-Slab combines all the benefits of Grodan’s traditional slabs with the versatility of a block.
$5.35
Qty: Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. This 36 in. x 8 in. x 3 in. Delta Slab is pe...
$10.25
Qty: This is a strip of six 4 in. x 4 in. x 2.5 in. Gro-Blocks, each with pre-formed holes.
$6.00
Qty: Made in Denmark since 1969, horticultural stonewool is widely recognized as an ideal growing substrate. Each Grodan A'Ok Starter Plug has a pre-formed...
$12.75
Qty: Three strips of 15 wrapped Mini-Blocks - 45 total blocks each measuring 1.5 in. square.
$8.50
Qty: Stonewool is a state-of-the-art growing substrate preferred by hundreds of hydroponics gardeners. Seeds or cuttings are started in these Grodan Mini-B...
$5.95
Qty: Stonewool is recognized the world over as the ideal hydroponics growing substrate. Seeds or cuttings are started in these Grodan Gro-Blocks and, once ...
$4.75
Qty: This is a strip of eight 3 in. x 3 in. x 2.5 in. Gro-Blocks, each with pre-formed holes.
$4.95
Qty: Stonewool is recognized the world over as an ideal hydroponics growing medium. Seeds or cuttings are started in these larger Grodan Gro-Blocks and, on...
$7.95
Qty: This is a strip of six 4 in. x4 in. x 3 in. Gro-Blocks, each with pre-formed holes.
$7.25
Qty: This is a strip of six 4 in. x 4 in. x 4 in. Gro-Blocks, each with pre-formed holes.
$8.95
Qty: Known for its quality, consistency and ease of use, high-performance Grodan stonewool is used by hydroponics gardeners the world over. Seeds or cuttin...
$7.25
Qty: Stonewool is recognized the world over as a dependable hydroponics growing medium and Grodan stonewool in particular is known for its quality, consist...
$7.75
Qty: Grodan Stonewool is a proven hydroponics growing medium preferred by garden enthusiasts everywhere. This 36 in. x 6 in. x 4 in. Delta Slab is pe...
$9.95
Qty: Europonic Rockwool Conditioner is a pre-conditioner that adjusts and stabilizes rockwool for maximum nutrient uptake.
$15.95
Qty: Europonic Rockwool Conditioner Gal.Europonic Rockwool Conditioner is a pre-conditioner that adjusts and stabilizes rockwool for maximum nutrient uptak...
$34.95
Qty: The organic alternative to plastic covers for rockwool blocks. Use Coco Caps to help prevent light penetration that may cause algae growth.
$3.95
Qty: The largest block ever produced by Grodan, the Big Mama™ measures 8 in. x 8 in. x 8 in. and contains well over twice as much wool as the popular Hugo block.
$7.75
Qty: Dual-purpose Sunleaves Block Covers reflect light back towards plants in addition to protecting them from algae growth. Black on one side, white on th...
$7.50
Qty: For Rock Wool and Other Grow Media
$15.45
Qty: This is a single 6 in. x 6 in. x 6 in. Gro-Block with a pre-formed hole. Grodan stonewool is known for its quality, consistency and performance.
$3.55
Qty: "Easy to use and environmentally friendly, Grodan growcubes provide plant roots with a stable foundation and an excellent balance of air and wate...
$38.95
Qty: Dual-purpose Sunleaves Block Covers reflect light back towards plants in addition to protecting them from algae growth. Black on one side, white on th...
$5.95
Qty: Perfect for rooted cuttings. Same great product with new packaging. Now 50 Macro Plugs in gold foil bag that can be hung up.
$10.60
Qty: The Cube Cap enables you to naturally and efficiently eliminate algae, fungus gnats and their root eating larva found on rock wool and coco growing blocks.
$1.19
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