In-Line CO2 Bubble Counter
This CO2 Bubble Counter is a visual tool to count the number of bubbles per second leaving the system and entering the aquarium. With this knowledge, you can make more informed decisions about the supply of CO2 to your planted aquarium.
No CO2 system is complete without one. Includes a builtin check valve.
Strong clear plastic tube
Install in-line to the CO2 tubing in a vertical position
Allows for an accurate visual measurement of the CO2 supply
Easy to refil and clean.