Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500 Gardening Accessories Stronger and larger root systems

Stronger and larger root systems

easy-to-read display

pot crops and seed germination

which in this system operates in the horizontal position

• Low phosphorous fertilizer included to better support mycorrhizae establishment and growth

Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500 Gardening Accessories Stronger and larger root systemsGrodan 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