THE SIMPLE AND SAFE METHOD OF CO2 INDICATION.

Characteristics:

• 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.