Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 lighting-accessories and a modular width

and a modular width

and dramatically increase a host plant's supply of nutrients and moisture

optimal micronutrients

Use this product to assist water infiltration

Includes: SunBlaster 18" T5HO

Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 lighting-accessories and a modular widthGrodan 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