Grodan Pro Delta 6.5 Block, 4" x 4" x 2.5", case of 216, Commercial water-pumps-&-irrigation-supplies Hugo is the largest of

Hugo is the largest of the growing blocks

Dimensions: 42

• Robust plants through high blue light output

Grodan comes in graduated sizes

Grodan Pro Delta 6.5 Block, 4" x 4" x 2.5", case of 216, Commercial water-pumps-&-irrigation-supplies Hugo is the largest ofGrodan 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