20Pcs Blue Sandstone Cylinder Shape Aquarium Aeration Bubble Stone Set Air Stone Kit Fish Tank Oxygen Pump Bubble Stones Airstones Diffuser

Specification: Condition: 100% New Item Type: Bubble Stone Material: Sandstone Color: Blue Suitable for: Aquarium Fish Tank Quantity: 20PCS Weight: Approx. 145g Single Length: Approx. 3.9cm/1.54inch Usage Instructions: 1. Connect the bubble stone with the supporting hose and connect the oxygen pump at the other end of the air pipe. 2. Soak this product in water for 15 minutes before use 3. Long time using such as dirt blocking bubble reduction can be taken out to clean repeated use. Widely Used: 1. Sewage treatment plant aeration oxygen and as a stir to prevent large particles of sediment deposition and can remove part of the organic matter 2. Fish pond(aquafarm) add oxygen to nutrient-rich water body in the environment and oxygenation in biological culture 3. Live fish and seafood are transported oxygenated 4. Aquarium (purifier) purification filtration and water quality ozone sterilization and oxygenation 5. Other processes that require diffused air Package List: 20 x Bubble Stone