Grodan Rockwool is made from molten rock spun into cotton candy-like fibers and then compressed in to cubes, blocks, or slabs. These convienient cubes are perfect for starting seedlings and cuttings... details here >>
Grodan blocks
Grodan Rockwool is made from molten rock spun into cotton candy-like fibers and then compressed in to cubes, blocks, or slabs. These convienient cubes are perfect for starting seedlings and cuttings... details here >>
Grodan blocks
Grodan Rockwool is made from molten rock spun into cotton candy-like fibers and then compressed in to cubes, blocks, or slabs. These convienient cubes are perfect for starting seedlings and cuttings... details here >>
