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Rockwool

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Big Mama 8x8x8, case of 18
Big Mama 8x8x8, case of 18 The Big Mama 8x8x8 is the largest block ever produced by Grodan. I..
$137.80 $124.05
Drip Cap Square Drip Cube Cap, 4" or 6"
Drip Cap Square Drip Cube Cap, 4" or 6" The DripCap is a patented water conservation tool &am..
Ships Free
On Orders Over $149!
$2.69 $2.49
Grodan 1.5in Stonewool Delta Starter Mini-Blocks MM40/40 1.5in x 1.5in x 1.5in
Grodan 1.5in Stonewool Delta Starter Mini-Blocks MM40/40 1.5in x 1.5in x 1.5in Grodan Stonewo..
Ships Free
On Orders Over $199!
$9.46 $7.70
Grodan A OK Cloning Sheet, 50 Site
Grodan A OK Cloning Sheet 50 Site, 1 sheet, 2.0”x2.0”Blocks Grodan A'OK plugs are designed fo..
Ships Free
On Orders Over $149!
$11.10 $9.95
Grodan A OK Cloning Sheet, 98 Site
Grodan A OK Cloning Sheet, 98 Site Grodan A'OK plugs are designed for seed and cutting propag..
Ships Free
On Orders Over $149!
$13.73 $12.35
Grodan Classic 30/75 Slab (wet),12" x 3"
Grodan Classic 30/75 Slab (wet),12" x 3" Grodan Stonewool (rockwool) is made from molten rock..
$14.52 $12.60
Grodan Delta 10 - 4in Block 4in x 4in x4in w/ Hole, strip of 6
Delta 10 Block, 4x4x4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun in..
$10.12 $9.10
Grodan Expert 15/100 Slab, 6"x4"
Grodan Expert 15/100 Slab, 6"x4" Grodan Stonewool (rockwool) is made from molten rock spun in..
$10.04 $9.95
Grodan Expert 15/75 Slab, 36x6x3
Grodan Expert 15/75 Slab, 36x6x3 Grodan Stonewool (rockwool) is made from molten rock spun in..
$7.53 $7.25
Grodan Expert Slab 20/75 8in x 3in x 36in
Grodan Expert Slab 20/75 8in x 3in x 36in Gro-Slabs provide the final stage for growing a spe..
$11.07 $9.95
Grodan GrowCubes, 2cf bag
Grodan GrowCubes, 2cf bag Grodan Stonewool (rockwool) is made from molten rock spun into cott..
$45.86 $38.90
Grodan Hugo 6" Rockwool Blocks 40/40, case of 48
Grodan Hugo 6" Rockwool Blocks 40/40, case of 48 Where other rockwool brand manufacturers cut..
$179.04 $148.80
Grodan Stonewool Delta 8 Blocks, 4"x4"x3", strip of 6
Grodan Stonewool Delta 8 Blocks, 4"x4"x3", strip of 6 Grodan Stonewool (rockwool) is made fro..
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On Orders Over $149!
$8.76 $7.85
Grodan Stonewool Delta Gro 5.6 TALL -  3" x 3" x 4", strip of 8
Grodan Stonewool Delta Gro 5.6 TALL -  3" x 3" x 4", strip of 8 Grodan Delta blocks are ..
$9.14 $8.20
Grodan Stonewool Macro Plugs Round w/ Slit (50/Bag)
Grodan Stonewool Macro Plugs Round w/ Slit (50/Bag) Macroplugs are 1.5" round with a slit tha..
Ships Free
On Orders Over $149!
$12.16 $10.90
Rockwool Block Covers, 4", 40 pack
Rockwool Block Covers, 4", 40 pack Dual-purpose  Block Covers reflect light back towards..
Ships Free
On Orders Over $49!
$8.95 $7.45
Rockwool Block Covers, 6", 40 pack
Rockwool Block Covers, 6", 40 pack Dual-purpose Block Covers reflect light back towards plant..
Ships Free
On Orders Over $49!
$15.95 $13.55
FloraFlex 4 in - 6 in Stacker
FloraFlex 4 in - 6 in Stacker Allows a Rockwool user to seamlessly stack a 4 inch cube on top..
Ships Free
On Orders Over $49!
$1.19 $1.08
FloraFlex 6 in - 8 in Stacker
FloraFlex 6 in - 8 in Stacker Allows a Rockwool user to seamlessly stack a 4 inch cube on top..
Ships Free
On Orders Over $49!
$1.69 $1.60
Grodan A-OK 25/40 - 1 in x 1 in Plugs (200/Sheet)
Grodan A-OK 25/40 - 1 in x 1 in Plugs (200/Sheet)   A-OK Starter Plugs for starting ..
$400.13 $335.94
Grodan Granulate Water Repellent, 45 lb
Grodan Granulate Water Repellent, 45 lb Grodan Water Repellent Granules are excellent for hol..
$76.70 $63.00
Grodan Uni-Slab 9.5in x 8in x 4in
Grodan Uni-Slab 9.5in x 8in x 4in The UNI-SLAB combines all the benefits of our traditional s..
$6.15 $5.50

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