Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 microbial fertilizer Increases Phosphorus uptake

Increases Phosphorus uptake

8 cu ft and 55 cu ft bales

clear polycarbonate

Consistent shape of the seed hole

Fish Bone Meal

Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 microbial fertilizer Increases Phosphorus uptakeGrodan 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