Rockwool

Rockwool

  • Grodan A-OK Starter Plugs (Wrapped)

    $17.75
    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 is unique by making different...