CO2 Drop Checker Monitor

The Aquapro CO2 Drop Checker is a simple and highly effective tool designed to take the guesswork out of monitoring CO₂ levels in your planted aquarium. By providing a clear, continuous visual indication of your carbon dioxide levels, it allows you to easily fine-tune your injection rate. Keep your aquatic plants thriving and your fish completely safe with this essential, easy-to-read monitoring solution.

How It Works:

1. Fill the Drop Checker: Add the CO2 Indicator Solution to the drop checker until it is about two-thirds full.
2. Install the Drop Checker: Invert the drop checker to trap air inside and attach it to your aquarium using a suction cup.
3. Monitor CO2 Levels: The solution will change color based on CO2 concentration:
   • Blue: CO2 levels are too low.
   • Green: CO2 levels are ideal.
   • Yellow: CO2 levels are too high.

Note：

• The hang-on type is suitable for aquariums up to 12mm glass thickness.
• Each kit comes with 15ml  of indicator solutions.
• The indicator solution are pre-mixed and ready to be used without diluting