Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 lighting-accessories Dry compressed sheets offer flexibility

Dry compressed sheets offer flexibility and are used as needed

The blend is formulated with triple washed coco coir to guarantee low salts

and a modular width

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

Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 lighting-accessories Dry compressed sheets offer flexibilityGrodan 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