CO2 is arguably the most important element in the planted aquarium. It is required for respiration and growth by all aquatic plants, used in a process called photosynthesis. Using a CO2 system can be difficult to get exactly right and time-consuming.
The Dymax CO2 Indicator Solution will enable you to test and monitor the saturated CO2 content of your planted tank water, which promotes the best healthy plant life and growth.
*Please note that you require a CO2 Indicator