Aquarium Air Bubble Tube Stone for Fishtank Long strip Aquarium Air Pump Oxygen Pump Accessories Beautiful Waterscape Bubbles Wall Air Bubbles Air Stone pipe tubing Aquarium Fishtank accessories Sand Stone Bar

Length: 10cm long, 15cm long, 20cm long, 25cm long, 30cm long. Attention: The air pump is not included. Please soak the product in water for 15 minutes before use. In the beginning, please wait for several hours or 1~2 days for the Air Bubble Wall to show out completely if air bubble amount looks like not enough, it is because of your air pump issue. Please change your air pump into higher power to supply more air bubble). After using for several months, if the dirt stuff is blocked and the air bubbles are reduced, it can be taken out for cleaning and repeated use. So that keep the Air Bubble going through out smoothly. The length of 10cm or 20cm Air Bubble Stone should be used with 3W power above Air Pump. The length of 30cm Air Bubble Stone should be used with 5W power above Air Pump. The wattage of air pump is more larger, the air bubble effect is more better. Please work with powerful enough Air Pump to supply good air bubbles