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Grodan

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    Big Mama 8x8x8

    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...

    MSRP: $7.88
    $7.49
    Add to Cart
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    Classic 30/75 Slab (wet), 12"x3"

    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...

    MSRP: $15.17
    $14.39
    Add to Cart
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    Delta 10 Block, 4x4x4"

    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...

    MSRP: $9.20
    $8.59
    Add to Cart
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    Delta 4 Block, 3"x3"x2.5" with hole

    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...

    MSRP: $5.53
    $5.39
    Add to Cart
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    Delta 4 Block, 3x3x2.5", no hole

    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...

    MSRP: $5.53
    $5.39
    Add to Cart
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    Delta 6.5 Block, 4"x4"x2.5"

    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...

    MSRP: $5.75
    $5.19
    Add to Cart
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    Expert 15/100 Slab, 6"x4"

    PLEASE 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...

    MSRP: $10.33
    $10.09
    Add to Cart
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    Expert 15/75 Slab, 36x6x3

    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...

    MSRP: $7.75
    $7.69
    Add to Cart
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    Expert 20/75 Slab, 8"x3"

    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...

    MSRP: $10.06
    $9.29
    Add to Cart