Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 chillers-heaters-and-purification Unlike competitors machines

Unlike competitors machines

• Total Nitrogen (N) 0

providing nutritious light for all phases of growth

PhysioSpec Greenhouse: 45W

*PLEASE NOTE: This item is for drop ship only

Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 chillers-heaters-and-purification Unlike competitors machinesGrodan 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