Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial new-releases Experience the power of a

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

With Sunmaster's spectral families

but they also create shade

It has a unique blend of ingredients that combine essential carbohydrates and enzymes which promote energy metabolism and protein synthesis

blue far-red energy compared to sunlight

Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial new-releases Experience the power of aGrodan 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