Grodan-Delta Block growing-accessories • Tag slots available on

• Tag slots available on some sizes

this lightweight

or wasting valuable electronic resources running cooling fans or other unwanted devices

It doesn't get easier or better than this

Best used for:

Grodan-Delta Block growing-accessories • Tag slots available onGrodan 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