- Material and durability: Made from high quality material, this bubble counter is durable and reliable. It provides a safe, natural way to introduce CO2 into your aquarium.- CO2 control and visibility: Designed to work with your CO2 system and the water grass meter. The CO2 gas output is clearly visible, helping you ensure adequate CO2 delivery for the aquatic plants.- Easy installation: Simply connect to your existing CO2 diffuser tube. Fill the counter with water, attach the hose, and secure it to the outer wall of the aquarium with the included suction cup.- Readability and monitoring: The transparent body lets you easily see the bubbles and determine bubbles per second. More bubbles mean more CO2. After installation, you can monitor and count the bubbles to gauge CO2 delivery.- Practical use scenarios:- New planted tanks that require steady CO2 delivery for healthy plant establishment.- Established planted tanks with higher CO2 demand, balanced with the water grass meter.- Small or nano tanks where quick and easy CO2 monitoring helps maintain appropriate levels.- Compatibility and performance: Compatible with standard CO2 diffuser tubes and typical aquarium setups, offering a reliable, straightforward CO2 monitoring solution.