Aquarium CO2 Indicator Solution Monitor for Plants

Product overviewThe Aquarium CO2 Indicator Solution Monitor helps track carbon dioxide levels in your fish tank and supports healthy plant growth. The 15 ml test solution changes color to indicate CO2 concentration and is designed for aquarium plants and grass.Key features Color change indicates CO2 level Glass construction is corrosion resistant and simple Four indicator designs to choose from Color meanings Blue: low CO2 concentration Green: normal CO2 concentration Yellow: CO2 too high, risk