Details

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

How to use:

• Take apart the CO2 indicator
• Add 1cc of indicator solution to the reservoir then reattach the CO2 Indicator firmly.
• Submerse the CO2 indicator vertically and attached to the desired location inside the tank (the position to cover the suction cup) to read the CO2 level in your tank.
• Change solution every 2-4 weeks. Solution change at water change is NOT necessary.