Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial new-releases Fluence recommends mounting SPYDR 2i

Fluence recommends mounting SPYDR 2i fixtures 6” above the top of your canopy to guarantee optimal light uniformity

Flower Footprint: Not Recommended

Experience the power of a ballast straight out of Hydrofarm’s value line

Think of SNS 311 as immediate medicine for your plants (or a first aid kit)

906716 or 906717 for communication with the EL controller

Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial new-releases Fluence recommends mounting SPYDR 2iGrodan 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