An Air-stone, whose purpose is to gradually diffuse air into the tank and provide oxygen to water. Air stones are made of high quality non-toxic mineral material. With high temperature interring, the stones are sturdy and durable, have high dissolved oxygen rate and create even and tiny bubbles rather than a limited number of large ones.
- Connect the bubble stone with the supporting hose and connect the oxygen pump at the other end of the air pipe.
- Soak this product in water for 15 minutes before use
- Long time using, such as dirt blocking, bubble reduction, can be taken out to clean repeated use.