【Allows you to control the amount of CO2 in the water in the tanks】 - The durable and safe CO2 bubble counter is used in conjunction with the water grass counter. It is clearly visible that the amount of CO2 given off by the gas produces enough CO2 for the water. 【Keep fish and plants healthier】 - As you know, excessive or deficient amounts of CO2 in tank water can cause excessive stress to fish and plants, and too much CO2 in the water can cause the pH to drop. However, our bubble counter makes aquatic plants happier, healthier and brighter and faster growing. 【Easy to read】 The counter’s transparent design makes it easy to see the bubbles, so you can effectively determine the bubbles per second. Bubbles are formed by CO2 gas in water; The more bubbles, the more CO2. Once the counter is installed and connected, it’s time to count the bubbles. 【Harmless to plants and fish】 - The bubble counter is made of high quality material, which is durable and reliable. Adding a bubble counter to