Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial commercial-greenhouse-fixtures Why Fluence RAY44

Why Fluence RAY44

Includes TerraPro humus and silicon for plant strength

0 PPF/Watt

True Liberty Bags are The ORIGINAL All-Purpose Home & Garden Bag

Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial commercial-greenhouse-fixtures Why Fluence RAY44Grodan 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