Rockwool

Rockwool
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6” Block Cover

6” Block Cover

$21.95

Block light from media. Reflect light to plant leaves - where it’s needed most. Eliminate algae…

8in. Rockwool Block Cover

8in. Rockwool Block Cover

$25.95

Blocks light from media - keeps moist longer Reflects light up toward plant where it’s needed most …

Big Mama 8” x 8” x 8”

Big Mama 8” x 8” x 8”

$7.88

BIG MAMA is the largest block ever produced by Grodan. It is 8” square and contains over twice the amount of wo…

Block 1.5 x 1.5 x 1.5

Block 1.5 x 1.5 x 1.5

$8.60

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cube…

Block 2 x 2 x 1.5”

Block 2 x 2 x 1.5”

$6.48

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cube…

Block 3 x 3 x 2.5 42/40

Block 3 x 3 x 2.5 42/40

$5.54

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cube…

Block 3 x 3 x 2.5 no hole

Block 3 x 3 x 2.5 no hole

$5.54

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cube…

Block 3 x 3 x 4 42/40

Block 3 x 3 x 4 42/40

$8.31

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cube…

Block 4 x 4 x 2.5 42/40

Block 4 x 4 x 2.5 42/40

$5.75

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cube…

Block 4 x 4 x 3 42/40

Block 4 x 4 x 3 42/40

$7.97

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cube…

[1] 2 3 >6 View All Sort by