Grodan Pro A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98, Commercial lighting-accessories Gold Label Hydro Clay Pebbles

Gold Label Hydro Clay Pebbles are manufactured using a mix of the best qualities of pure clay

evaporator

sound-absorbing heavy gauge steel casing

This professional grade mycorrhizal inoculant intentionally does not include other microorganisms

Grodan Pro A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98, Commercial lighting-accessories Gold Label Hydro Clay PebblesGrodan 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