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Rockwool

Home / Products / Growing Media / Rockwool
  • Products
    • Growing Media
      • Rockwool
      • Bulk Soil
      • Soil
      • Soil Amendments
      • Coco
      • Hydroton Lightweight Aggregate
    • Pots - Planters
    • Nutrients - Additives
    • Mushroom Grow Supplies
    • Indoor-Greenhouse Equipment
    • Water & Aeration
    • Plants
    • Seed Starting - Cloning
    • Pest and Disease Control
    • Meters - Monitors - Solutions
    • Harvest
    • Plant Care
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Min: $0
Max: $300
Grodan Grodan Big Mama 8 in x 8 in x 8 in
Grodan Grodan Big Mama 8 in x 8 in x 8 in
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Grodan Big Mama 8 in x 8 in x 8 in
$135.37
Grodan Grodan Rockwool IMPROVED Hugo Block 6in x 6in x 5.8in
Grodan 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 scientifi
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Grodan Rockwool IMPROVED Hugo Block 6in x 6in x 5.8in
$4.00
Hydrofarm 6 in.  Rockwool Block Cover
Hydrofarm 6 in. Rockwool Block Cover
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6 in. Rockwool Block Cover
$14.38
Grodan Grodan IMPROVED GR10 4 in x 4 in x 4 in Pack of 6
Grodan 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 scientifi
Add to cart
Grodan IMPROVED GR10 4 in x 4 in x 4 in Pack of 6
$10.00
Grodan Grodan IMPROVED GR7.5 4 in x 4 in x 3.1 in
Grodan Grodan IMPROVED GR7.5 4 in x 4 in x 3.1 in
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Grodan IMPROVED GR7.5 4 in x 4 in x 3.1 in
$244.00
Grodan Grodan Delta 6.5 4 in x 4 in x 2.5 in
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different t
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Grodan Delta 6.5 4 in x 4 in x 2.5 in
$4.85
Hydrofarm 4" Rockwool Block Cover
PLASTIC BLOCK COVERS Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks. Block light from media Reflect light to plant leave
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4" Rockwool Block Cover
$7.88
Grodan Grodan IMPROVED GR4 3 in x 3 in x 2.5 in with Hole
Grodan 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 scientifi
Add to cart
Grodan IMPROVED GR4 3 in x 3 in x 2.5 in with Hole
$6.40
Grodan Grodan Delta 5.6 3 in x 3 in x 4 in
Grodan Grodan Delta 5.6 3 in x 3 in x 4 in
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Grodan Delta 5.6 3 in x 3 in x 4 in
$6.23
Grodan Grodan Classic Slab 12 in x 3 in x 36 in
Grodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation strategies. Featuring the Advanced Wetting Agent, Gro-Slabs offer more uniform WC and EC distribution throughout each slab and from slab to slab. Fast r
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Grodan Classic Slab 12 in x 3 in x 36 in
$14.00
Grodan Grodan IMPROVED Gro-Slab 8 in x 3 in x 36 in
Grodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation strategies. Featuring the Advanced Wetting Agent, Gro-Slabs offer more uniform WC and EC distribution throughout each slab and from slab to slab. Fast r
Grodan IMPROVED Gro-Slab 8 in x 3 in x 36 in
$108.27
Grodan Grodan IMPROVED Gro-Slab 6 in x 3 in x 36 in
Grodan Grodan IMPROVED Gro-Slab 6 in x 3 in x 36 in
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Grodan IMPROVED Gro-Slab 6 in x 3 in x 36 in
$84.98
Grodan Grodan Rockwool IMPROVED Uni-Slab 9.5x8x4 Case of 16
Grodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation strategies. Featuring the Advanced Wetting Agent, Gro-Slabs offer more uniform WC and EC distribution throughout each slab and from slab to slab. Fast r
Grodan Rockwool IMPROVED Uni-Slab 9.5x8x4 Case of 16
$81.25
Grodan Grodan Rockwool IMPROVED Mini-Block 2"
Grodan Grodan Rockwool IMPROVED Mini-Block 2"
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Grodan Rockwool IMPROVED Mini-Block 2"
$7.98
Grodan Grodan Rockwool IMPROVED Mini-Block 1.5"
Grodan Grodan Rockwool IMPROVED Mini-Block 1.5"
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Grodan Rockwool IMPROVED Mini-Block 1.5"
$9.98
Grodan Grodan Rockwool Grow-Cubes 5.3 CF (150 Liter) Box
<p>This loose fill, non-bagged product consists of small stonewool croutons about the size of a fingernail. When you use this potting mix the miniature cubes stack on top of each other and air pockets are created throughout the pot. Growcubes are difficul
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Grodan Rockwool Grow-Cubes 5.3 CF (150 Liter) Box
$90.09
Grodan Grodan Rockwool Grow-Cubes Case of 3 2CF Bags
Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different t
Add to cart
Grodan Rockwool Grow-Cubes Case of 3 2CF Bags
$120.32
Grodan Grodan A-OK 1.5" Starter Plug Sheet of 98
Grodan Grodan A-OK 1.5" Starter Plug Sheet of 98
Grodan A-OK 1.5" Starter Plug Sheet of 98
$298.04
Grodan Grodan A-OK 2" Starter Plug Sheet of 50
Grodan Grodan A-OK 2" Starter Plug Sheet of 50
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Grodan A-OK 2" Starter Plug Sheet of 50
$285.00

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