Grodan Gro-Block Media Strips Size:3 in. x 3 in. x 4 in. - 8/strip Check out this helpful video

Check out this helpful video from Miracle LED

Polymer gel** (**U

Use in residential home gardens

In ideal conditions

Grodan Gro-Block Media Strips Size:3 in. x 3 in. x 4 in. - 8/strip Check out this helpful videoGrodan 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