CO2 Indicator Solution


1 in stock


CO2 Indicator Solution

Replacement CO2 Indicator Solution to measure CO2 levels in your aquarium

This replacement solution is for the CO2 Glass Indicator which is designed to indicate the amount of CO2 that is dissolved in the water. The level of CO2 in your aquarium is indicated by the colour of the test solution within the sphere. This is important because too much CO2 is toxic to the fish and too little will limit the plant growth.