Grodan Classic 30/75 Slab (wet), 12" x 3", case of 8 Promote Foams less than regular formula

Foams less than regular formula and tweaked ever so slightly to behave more appropriately for the hydroponics reservoir environment

Perfect for growing salads and herbs or for early season seed starting

This technology insures that

1) Adding moisture to the flower that may cause mold

Expect more fragrant oils and terpenes

Grodan Classic 30/75 Slab (wet), 12" x 3", case of 8 Promote Foams less than regular formulaGrodan 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