Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 grow-light-bulbs 5in / 127mm

5in / 127mm

Excellent lumen maintenance for maximum yields

Procision Advantage creates ideal growing conditions for your favorite plants

Provides essential micronutrients

Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 grow-light-bulbs 5in / 127mmGrodan 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