grodan
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Grodan Gro Block Improved GR7.5 Medium 4 w/Hole 4 x 4 x 3.1 Shrink wrapped/Strip
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Retail: $353.75$273.73Grodan 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...Retail: $353.75$273.73 -
Grodan Gro Block Improved GR10 Large 4 w/Hole 4 x 4 x 4 Shrink wrapped/Strip, (case of 144 blocks)
grodan
Retail: $313.05$230.98Grodan 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...Retail: $313.05$230.98 -
Grodan Delta 4 Block, 3 x 3 x 2.5 with hole, case of 384
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Retail: $306.78$202.07Grodan 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...Retail: $306.78$202.07 -
Grodan Delta 5.6 - 5715
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Retail: $306.71$265.89Grodan 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...Retail: $306.71$265.89 -
Grodan Gro Block Improved GR6.5 Small 4 w/Hole, 4 x 4 x 2.6 Shrink wrapped/Strip
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Retail: $287.25$196.60Grodan 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...Retail: $287.25$196.60 -
Out of stock
Hugo Block, 6x6x5.8, case of 64
grodan
Retail: $277.75$273.87Grodan 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...Retail: $277.75$273.87 -
Grodan Gro Block Improved GR4 Small 3 w/Hole 3 x 3 x 2.6 Strip
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Retail: $259.35$206.14Grodan 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...Retail: $259.35$206.14 -
Out of stock
Grodan Pro Delta 4 Block, 3 x 3 x 2.5 with hole, case of 384, Commercial
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Retail: $210.80$165.95Grodan 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...Retail: $210.80$165.95 -
Grodan Gro Block Improved GR10 Large 4 w/Hole 4 x 4 x 4 Strip, (case of 144 blocks)
grodan
Retail: $204.45$170.84Grodan 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...Retail: $204.45$170.84 -
Grodan Gro Block Improved GR6.5 Small 4 w/Hole, 4 x 4 x 2.6 Strip
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Retail: $198.05$136.03Grodan 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...Retail: $198.05$136.03 -
Out of stock
Grodan Expert Slab 15/75, 40 x 6 x 3, case of 12
grodan
$159.01Grodan 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...$159.01 -
Out of stock
Grodan Gro-Wool Medium Water Absorbent Granulate Rockwool, 3.5 cu ft
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Retail: $241.99$76.45Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume increases water holding capacity...Retail: $241.99$76.45