Grodan-Delta Block Options:Delta 6.5 Block, 4"x4"x2.5", case of 216 6-shelf propagation tower

6-shelf propagation tower

bulbs (all)

tobacco budworm

Specifications

The longest RAY family member at 66″

Grodan-Delta Block Options:Delta 6.5 Block, 4"x4"x2.5", case of 216 6-shelf propagation towerGrodan 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