Grodan Gro-Block Media Strips Size:3 in. x 3 in. x 4 in. - 8/strip ensuring they can withstand the

ensuring they can withstand the demands of regular gardening

In ideal conditions

Color Options Available: Black

The base tray features our unique 2 tier drainage cell holes for base watering

Grodan Gro-Block Media Strips Size:3 in. x 3 in. x 4 in. - 8/strip ensuring they can withstand theGrodan 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