Special Features

• Allow you to monitor the CO2 level in your tank from any angle.
• With smart design to prevent any chance of pill of the indicator solution.
• Reusable color chart sticker provides convenience in location change of the sticker.

How to use

• Take apart the CO2 indicator.
• Ass 1cc of indicator solution to the reservoir then reattach the CO2 indicator firmly.
• Submerse the CO2 indicator vertically and attache to the desired location inside the tank by sucton cup.
• Stick the color chart on the glass wall of the tank ( the position to cover the suction cup) to read the CO2 level in your tank.
• Change solution evey 2-4 weeks. Solution change at water change is NOT necessary.