RuiChy Air Stone for Fish Tank, 10 Pack Blue Cylinder Bubble Release Airstone for Aquarium Fish Tank Pump and Hydroponics, Small Airstones Release Tool for Aquairums Buckets and DWC Reservoirs

【Premium Material】- Theas fish tank air stones are made of mineral material and built solidly, it causes no effect to the health of your aquatics. Help keep your fish growing and living healthily. 【Providing Oxygen】- Connect it to the air pump and place it in the water so that the air pump can pump oxygen into the water. Ideal for adding oxygen to ponds, hydroponics and circulation systems and reducing CO2 content. 【Easy to Use】- Soak the stone completely in water for 1 hour before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage. 【Wide Applications】- These air stones can be used at fish tank, pond, aquarium, freshwater, saltwater aquariums, hydroponic, or in aqua farms. The small and dense bubbles produced by air stones can not only provide oxygen for fish but create beautiful and fairy bubbles scenes under water. 【Package Content】- There will come with 10 pcs blue air stone in 15 x 25mm/0.59*0.98 inch (D x H) and 1 piece storage box. Sufficient quantity for daily replacement. Perfect gift for aquarium enthusiasts.