Growing Blocks
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RedRock Grow Block PRO- 6 in. x 6 in. x 5.3 in. (48/Cs)Commercial-Grade Stone Grow Blocks Manufactured from High-Grade US-Made Raw Material RedRock Grow Blocks are stone wool for commercial and industrial cultivators. RedRock Block has been sold to North America's largest farms and cultivators with two things in mind - Crop yield and cost. Stonewool is sourced and manufactured...
- Regular price
- $123.99
- Regular price
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$148.79 - Sale price
- $123.99
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RedRock Grow Block PRO- 6 in. x 6 in. x 5.3 in. Bulk Pallet (512/Plt)Commercial-Grade Stone Grow Blocks Manufactured from High-Grade US-Made Raw Material RedRock Grow Blocks are stone wool for commercial and industrial cultivators. RedRock Block has been sold to North America's largest farms and cultivators with two things in mind - Crop yield and cost. Stonewool is sourced and manufactured...
- Regular price
- $1,250.99
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$1,501.19 - Sale price
- $1,250.99
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- per
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GROW!T Commercial Coco, RapidRIZE Block 6 in. x 6 in. x 4 in. - Case of 40GROW!T Commercial Coco Block, 6"x6"x4", case of 40GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower. The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the purest...
- Regular price
- $113.62
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$136.34 - Sale price
- $113.62
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GROW!T Commercial Coco, RapidRIZE Block 8 in. x 8 in. x 6 in. - Case of 20GROW!T Commercial Coco Block, 8"x8"x6", case of 20GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower. The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the...
- Regular price
- $113.48
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$136.18 - Sale price
- $113.48
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GROW!T Commercial Coco, RapidRIZE Block 10 in. x 10 in. x 7 in. - Case of 10GROW!T Commercial Coco Block, 10"x10"x7", case of 10GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower. The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the...
- Regular price
- $87.65
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$105.18 - Sale price
- $87.65
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GROW!T Commercial Coco, RapidRIZE Block 4 in. x 4 in. x 3 in. - Case of 120GROW!T Commercial Coco Block, 4"x4"x3", case of 120GROW!T Commercial Coco is Hydrofarm’s premium growing medium brand, designed specifically for the professional grower. The entire line of GROW!T Commercial Coco is lab tested lab tested for heavy metals, so your plants can grow in the purest...
- Regular price
- $133.55
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$160.26 - Sale price
- $133.55
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Grodan Improved Gro-Block, Jumbo 6 in. x 6 in. x 4 in. - Case of 64Grodan Improved Jumbo (White Foil) 6” x 6” x 4” (Case of 64) Grodan ImprovedGrodan 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...
- Regular price
- $170.30
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$204.36 - Sale price
- $170.30
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Grodan Improved Gro-Block, Hugo 6 in. x 6 in. x 5.8 in. - Case of 64Grodan Improved Hugo (White Foil) 6” x 6” x 5.8” (Case of 64) Grodan ImprovedGrodan 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...
- Regular price
- $220.45
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$288.79 - Sale price
- $220.45
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Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole - Case of 18Grodan Improved Gro-BlocksLeverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro-Blocks Improved with Advanced Wetting Technology — Grodan's improved stone wool substrate.Keep it RealReal ScienceGrodan partnered with the Wageningen University and...
- Regular price
- $121.88
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$188.11 - Sale price
- $121.88
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Grodan Improved GR40 Uniblock, 8 in. x 8 in. x 4 in. - Case of 36Grodan ImprovedUniblock GR40, 8" x 8" x 4"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 scientific research...
- Regular price
- $167.60
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$201.12 - Sale price
- $167.60
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Grodan Improved GR10 (White Foil) 4 in. x 4 in. x 4 in. - 1584 Blocks Loose on PalletGrodan Improved GR10 (White Foil) 4” x 4” x 4” (1584 blocks – Loose on Pallet) Grodan ImprovedGrodan 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...
- Regular price
- $1,468.23
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$1,761.88 - Sale price
- $1,468.23
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Grodan Grow-Cubes, 5.3 cu ft (loose in. box)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 difficult to overwater...
- Regular price
- $157.55
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$189.06 - Sale price
- $157.55
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Grodan Grow-Cubes, 2 cu ft - Case of 3Grodan 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 types of fibers. The...
- Regular price
- $199.38
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$239.26 - Sale price
- $199.38
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Grodan Gro Block Improved Mini Block 2 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved Mini Block 2" Shrink wrapped/StripGrodan 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...
- Regular price
- $456.79
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$548.15 - Sale price
- $456.79
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Grodan Gro Block Improved Mini Block 1.5 in. StripGrodan ImprovedGro Block Improved Mini Block 1.5" StripGrodan 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 scientific...
- Regular price
- $401.43
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$481.72 - Sale price
- $401.43
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Grodan Gro Block Improved Mini Block 1.5 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved Mini Block 1.5" Shrink wrapped/StripGrodan 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...
- Regular price
- $505.32
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$606.38 - Sale price
- $505.32
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Grodan Gro Block Improved GR7.5 Medium 4 in. w/Hole 4 in. x 4 in. x 3.1 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved GR7.5 Medium 4" w/Hole 4" x 4" x 3.1" Shrink wrapped/StripGrodan 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...
- Regular price
- $278.72
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$334.46 - Sale price
- $278.72
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Grodan Gro Block Improved GR6.5 Small 4 in. w/Hole, 4 in. x 4 in. x 2.6 in. StripGrodan ImprovedGro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" StripGrodan 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....
- Regular price
- $156.04
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$187.25 - Sale price
- $156.04
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Grodan Gro Block Improved GR6.5 Small 4 in. w/Hole, 4 in. x 4 in. x 2.6 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Shrink wrapped/StripGrodan 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...
- Regular price
- $226.32
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$271.58 - Sale price
- $226.32
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Grodan Gro Block Improved GR5.6 Large 3 in. w/Hole 3 in. x 3 in. x 4 in. Shrink wrapped w/StripGrodan ImprovedGro Block Improved GR5.6 Large 3" w/Hole 3" x 3" x 4" Shrink wrapped/StripGrodan 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...
- Regular price
- $290.66
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$348.79 - Sale price
- $290.66
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Grodan Gro Block Improved GR4 Small 3 in. w/Hole 3 in. x 3 in. x 2.6 in. StripGrodan ImprovedGro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" StripGrodan 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....
- Regular price
- $204.35
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$245.22 - Sale price
- $204.35
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Grodan Gro Block Improved GR4 Small 3 in. w/Hole 3 in. x 3 in. x 2.6 in. Shrink wrapped w/StripGrodan ImprovedGro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Shrink wrapped/StripGrodan 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...
- Regular price
- $290.71
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$348.85 - Sale price
- $290.71
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Grodan Gro Block Improved GR4 Small 3 in. No Hole 3 in. x 3 in. x 2.6 in. StripGrodan ImprovedGro Block Improved GR4 Small 3" No Hole 3" x 3" x 2.6" StripGrodan 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...
- Regular price
- $290.74
- Regular price
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$348.89 - Sale price
- $290.74
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Grodan Gro Block Improved GR10 Large 4 in. w/Hole 4 in. x 4 in. x 4 in. Strip, (Case of 144 blocks)Grodan ImprovedGro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" StripGrodan 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....
- Regular price
- $161.04
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$193.25 - Sale price
- $161.04
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Grodan Gro Block Improved GR10 Large 4 in. w/Hole 4 in. x 4 in. x 4 in. Shrink wrapped/Strip, (Case of 144 blocks)Grodan ImprovedGro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Shrink wrapped/StripGrodan 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...
- Regular price
- $246.60
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$295.92 - Sale price
- $246.60
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Grodan Expert 15/100 Slab, 36 in. x 6 in. x 4 in. - Case of 12PLEASE NOTE: THIS ITEM IS NOW 12 PER CASE. 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...
- Regular price
- $132.71
- Regular price
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$159.25 - Sale price
- $132.71
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Grodan Classic 30/75 Slab (wet), 12 in. x 3 in. - Case of 8Grodan 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 types of fibers. The...
- Regular price
- $129.89
- Regular price
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$155.87 - Sale price
- $129.89
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Grodan A-OK 25/40 10/10 Cubes, 1 in. x 1 in. - 30 sheets of 200The renewed plugs result in a maximum number of useable and homogeneous seedlings. Both form and strength have been greatly improved for good machine and manual processing. Whether sowing or transplanting, the new plug is the solution to achieving a homogeneous sowing result. Improved...
- Regular price
- $572.87
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$687.44 - Sale price
- $572.87
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