Grodan-Expert Slab microbes This process unlocks additional nutrients

This process unlocks additional nutrients and helps plants thrive by stimulating new root growth

Compatibility: High Pressure Sodium and Metal Halide lamps

16 oz Trinity

This device features an easy-to-use up and down arrow function and a digital display displaying the intensity percentage

15’ for SPYDR 2x/2p/2i VYPR 2x/2p/2x²

Grodan-Expert Slab microbes This process unlocks additional nutrientsGrodan 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