Grodan Pro Delta 6.5 Block, 4" x 4" x 2.5", case of 216, Commercial rock-bottom Visible results can be seen

Visible results can be seen within days of application

Our clever pH controller automatically monitors and fine-tunes the pH levels for you

End of lamp life (EOL)

PhysioSpec Greenhouse

Can be wired for 120 or 240V

Grodan Pro Delta 6.5 Block, 4" x 4" x 2.5", case of 216, Commercial rock-bottom Visible results can be seenGrodan 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