CO2 Indicator Set

The Fluval CO2 Indicator Set performs the simple and important task of monitoring carbon dioxide levels in aquariums to help keep your live plants strong and healthy.

The CO2 Indicator Kit includes a 15ml CO2 Indicator Liquid and Glass reservoir complete with suction cup. Simply add the solution to the reservoir, affix the reservoir to the inside of the aquarium using the suction cup, the solution colour will change to indicate the CO₂ content:

Blue = High CO₂ content
Green = Ideal CO₂ content
Yellow = Low CO₂ content

Tip: Replace the Flucal Indicator Solution monthly to get reliable results.