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

• Suitable for airstream temperatures up to 140°F (60°C)

Expect more fragrant oils and terpenes

the Mega is the most efficient full spectrum LED

in a footprint no bigger than a toaster

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