Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 cloning-&-seed-starting Superior quality and smart design

Superior quality and smart design ensure vibration-free operation utilizing balanced motorized impellers with permanently lubricated ball bearings

UVSpec: 54 μmol/s

Wood's Rooting Compound is self-sanitizing

3 Year warranty

Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 cloning-&-seed-starting Superior quality and smart designGrodan 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