Ista CO2 Indicator Solution 10ml

Monitoring the carbon dioxide levels in your planted aquarium is essential to its success! Too much CO2 can harm your fish, and too little will decrease the growth of your plants! This CO2 indicator solution is very simple to use and will help you maintain levels in your aquarium.

When used in conjunction with an indicator, this solution will quickly display the CO2 levels in your aquarium. Observe the color of the solution change from yellow to green then to blue and adapt your water and CO2 intake accordingly!