Grodan Hugo 6x6x6 Gro-Block (Case of 64) coco Compatibility: HPS & MH lamp

Compatibility: HPS & MH lamp

replaceable double junction pH probe and temperature probe (for pH ATC)

if your plant smells like rosemary or mildew

Total Wattage: 216W

Grodan Hugo 6x6x6 Gro-Block (Case of 64) coco Compatibility: HPS & MH lampGrodan 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