Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 featured 27” x 13½ ” x

27” x 13½ ” x 7½” 19 lbs

Just assemble and add your favorite starting mix

For horizontal installation only

Eliminates root circling

Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 featured 27” x 13½ ” xGrodan 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 types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen