Grodan Gro-Block Media Strips Size:3 in. x 3 in. x 4 in. - 8/strip Polymer gel** (**U

Polymer gel** (**U

Use in residential home gardens

ensuring they can withstand the demands of regular gardening

The ready-to-spray coverage area is approximately 5

Grodan Gro-Block Media Strips Size:3 in. x 3 in. x 4 in. - 8/strip Polymer gel** (**UGrodan 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