Grodan- MM Block Options:MM 40/40 6/15 Blk 1.5"x1.5"x1.5",150 strips of 15 For all other states

For all other states

High Measurement Accuracy

forcing root branching

but we're really excited about the quality of our production

Grodan- MM Block Options:MM 40/40 6/15 Blk 1.5"x1.5"x1.5",150 strips of 15 For all other statesGrodan 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