Hydroponics Growing Mediums act as an anchor to the plant so it does not fall over as it grows, provide good drainage of nutrient solution and allow the flow of oxygen to the plant roots. Hydroponic Growing Mediums include: hydroton, rockwool, perlite, vermiculite, silica stone, peat moss, coir, cocotek cubes, etc.....

SuperNatural Rockwool Soak 400g $24.95 Add to Wishlist Add to Compare