Grodan Pro MM 40/40 6/15 Plugs, 1.5" x 1.5" x 1.5", 2250 per box, Commercial lamps • Can be used up

• Can be used up until the day of harvest

• ½" grommet fitting

Our clever pH controller automatically monitors and fine-tunes the pH levels for you

with recessed contacts to ensure safety during plug-in

Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes

Grodan Pro MM 40/40 6/15 Plugs, 1.5" x 1.5" x 1.5", 2250 per box, Commercial lamps • Can be used upGrodan 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