Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 featured Grodan Stonewool (rockwool) is made

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes

In this tray sits a stand covered by a sheet of absorbent cloth that draws water up and into the bottoms of the planted seed trays by capillary action

Eliminates root circling

The Harvest Keeper Impulse Bag Sealer is a premium

Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 featured Grodan Stonewool (rockwool) is madeGrodan 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