Rockwool

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...

The ideal growing media for seed starts, microgreens, baby leaf crops, and more. Thinnest Grodan available. 10 x 20 inch mats fits in most propagation trays. Consistent structure results in quick and easy germination. The uniform density allows for equal...