3 Review(s)

Features: Ozone aerated stone, bubble stone, using super hard gold steel sand, after high-temperature sintering, good gas diffusion, good filterability, ozone resistance, corrosion. Increase oxygen levels, lower CO2 and raise PH, create water currents It is an important instrument to successfully keep aquatic fish for the respiration process. Durable, can be reused and washed repeatedly. Creates bubbles in fish tank while attached to an air pump(air pump and air tube are not included). Specifications: Color: As picture Material: hard gold steel sand Package includes: Only 1*air bubble stone (no tubes) Suitable for inner diameter 4mm soft tube Note: -Soak in water for 15 minutes before use. -For long-term use, if there is dirt blockage, and the bubbles are reduced, please take it out of the fish tank and wash it again and again. -The air stone can be used repeatedly. -Please allow 1cm differences due to manual measurement. -Due to the different display and different light, the picture may be a little different from the actual color of the item. Thanks for your understanding.