RNR 3” Cylinder with Brass Nozzle Aquarium Air Stone  (6 Stones)

An Air Stone, whose purpose is to gradually diffuse air into the tank and provide oxygen for fish to breathe, is a necessity to have around your Biofloc Fish Farming Tank, Pond and aquarium. It’s also a must have for Hydroponic and Circulation system. RNR Air Stones are made of high quality non-toxic mineral material, with high temperature sintering, stones are sturdy and durable, have high dissolved oxygen rate and create even and tiny bubbles rather than a limited number of large ones. BEFORE USE: You have to soak it in water for about 6 hours before connecting to an Air Pump. Package Contain: 6 X 3" Cylinder Air Stone with Brass Nozzle, 6 Pcs Air Controller Imported and 24 Pcs Multi Colour Air Pipe Connector suitable for 1X10000 Ltr Biofloc Tank.