Grodan- MM Block Options:MM 40/40 6/15 Blk 1.5"x1.5"x1.5",150 strips of 15 100% speed-controllable

100% speed-controllable

making the new RAZR family ideally suited for full-cycle cultivation of leafy greens

Extends lamp and ballast life by reducing heat

unlike other hazardous pH lowering agents

Light weight and easy to install

Grodan- MM Block Options:MM 40/40 6/15 Blk 1.5"x1.5"x1.5",150 strips of 15 100% speed-controllableGrodan 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