Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500 Hydroponics The RH sensing element is

The RH sensing element is protected against dust

to a maximum of 8 per single power cord

2 Volts 110/120 Water Removal (AHAM) 162

Flower Footprint: Not Recommended

Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500 Hydroponics The RH sensing element isGrodan 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