The Simple and Safe Method of CO2 Indication.
- Simply inject 1CC of CO2 Indicator solution into the cap of CO2 indicator.
- Adding aquarium water is not necessary.
- Recommended to be changed only once a month.
- Not necessary to change solution every time a maintenance is done to the aquarium.
How to Use:
- Add 1ml solution to the CO2 indicator, no need to add aquarium water.
- Keep the opening outlet face down.
- Change the solution every month.