Grodan Pro MM 40/40 6/15 Plugs, 1.5" x 1.5" x 1.5", 2250 per box, Commercial lamps Sunshine #4 Natural & Organic

Sunshine #4 Natural & Organic is recommended where high air capacity and fast drainage are needed

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

• Can be used up until the day of harvest

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

• As 60/40 is a much more airy substrate than coco

Grodan Pro MM 40/40 6/15 Plugs, 1.5" x 1.5" x 1.5", 2250 per box, Commercial lamps Sunshine #4 Natural & OrganicGrodan 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