




- Easy to operate: thread connection, compatible with many CO2 needle valves on the market, as long as filled with water screwed on the device, and then connected to the pipe, you can work.
- Built-in high-quality check valves prevent water backflow and help maintain and maintain a healthy aquarium.
- Easy to read: the transparent design of the bubble recorder can effectively measure the number of bubbles per second and accurately monitor the gas flow.
- Durable: both ends are made of aluminum alloy to avoid softening or breaking; the middle transparent cylinder is molded by PC injection molding, which is stronger, safer and more pressure-resistant than acrylic or other materials.
- Excessive CO2 in the water tank will cause anoxia in fish and shrimp. The bubble counter is the perfect companion to control the air supply and protect the healthy growth of your aquatic plants.