Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial spl_cp and metal hardware

and metal hardware

lowering grow area temperature and allowing closer placement of the Sunburst to the canopy if desired

VCBC5RK: includes: (4) 5 gallon bio-cartridges

• Variable capacity - works with large or small amounts of dried harvest

This series provides from 1 to 12 "ON/OFF" operations daily with minimum ON/OFF times of 1 hour

Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial spl_cp and metal hardwareGrodan 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