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Rockwool

Home / Products / Growing Media / Rockwool
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Min: $0
Max: $1500
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
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Grodan Improved GR7.5 4in x 4in x 3in Block EACH
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 Improved GR7.5 4in x 4in x 3in Block EACH
$8.48
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Grodan Improved GR7.5 4in x 4in x 3.1in Block Case of 192
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 Improved GR7.5 4in x 4in x 3.1in Block Case of 192
$244.00
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Grodan Hugo IMPROVED Loose Pallet of 512
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 Hugo IMPROVED Loose Pallet of 512
$1,397.00
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Grodan Grodan GR4 IMPROVED 3 in x 3 in x 2.5 in Pack of 8 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
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Grodan GR4 IMPROVED 3 in x 3 in x 2.5 in Pack of 8 with Hole
$6.40
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Grodan Grodan Delta 6.5 4 in x 4 in x 2.5 in Pack of 6
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 Pack of 6
$4.85
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Grodan Grodan Big Mama 8 in x 8 in x 8 in
BIG MAMA is the largest block ever produced by Grodan. It is 8" square and contains over twice the amount of rockwool as the popular Hugo block. This block is big enough to grow a large plant for its entire life! When your plant outgrows its current block
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Grodan Big Mama 8 in x 8 in x 8 in
$5.92
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Grodan Grodan IMPROVED Delta 10 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
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Grodan IMPROVED Delta 10 4 in x 4 in x 4 in Pack of 6
$10.00
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Grodan Grodan Expert 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
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Grodan Expert Slab 8 in x 3 in x 36 in
$101.55
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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
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Grodan Grodan Rockwool 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 Hugo Block 6in x 6in x 5.8in
$4.00
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Grodan Rockwool Mini-Block 2 Inch Pack of 24
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 Mini-Block 2 Inch Pack of 24
$7.00
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Grodan Grodan Rockwool 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
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Grodan Rockwool Uni-Slab 9.5x8x4 Case of 16
$75.45
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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
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Grodan Rockwool Grow-Cubes Case of 3 2CF Bags
$120.32
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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
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Grodan Grodan Rockwool Grow Chunks 2 CF
Super light and super versatile. 2 cubic foot bag. Grow Chunks are a larger version (3/4" square) of the popular Grow Cubes. They are great for direct planting or for use as a filling around blocks in containers. They can be easily mixed with other media
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Grodan Rockwool Grow Chunks 2 CF
$31.27
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Hydrofarm 6 in.  Rockwool Block Cover
Hydrofarm 6 in. Rockwool Block Cover
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6 in. Rockwool Block Cover
$14.38
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