Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial spl_jondon Built-in socket with 15' ballast

Built-in socket with 15' ballast cord

The ionization tubes should be inspected and replaced periodically per the manufacturer's recommended schedule

causing them to cluster together and either fall out of the air or be captured by filters — effectively neutralizing them without chemicals or ozone

making the new RAZR family ideally suited for full-cycle cultivation of leafy greens

organic fertilizers can be fully harnessed and delivered to plants with unparalleled "natural efficiency

Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial spl_jondon Built-in socket with 15' ballastGrodan 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