Grodan Hugo 6x6x6 Gro-Block (Case of 64) coco Precisely balanced for vibration-free operation

Precisely balanced for vibration-free operation and longer life expectancy

The shelf life in the original container is up to two years (at room temperature - do not refrigerate)

or stove top

Compatibility: HPS & MH lamp

Total Wattage: 216W

Grodan Hugo 6x6x6 Gro-Block (Case of 64) coco Precisely balanced for vibration-free operationGrodan 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