Glass CO2 Drop Checker Test Kit

Package Contents: CO2 Indicator Solution, 0.34 fl. oz. (10ml) x1 Glass Drop Checker x1 Colour check sticker x1 Suction cup x1 CO2 Indicator Kit is used to monitor approximate CO2 levels and also helps gauge CO2 levels in aquariums. The kit includes a 0.34 fluid ounces CO2 Indicator Liquid, CO2 Indicator, and a color check sticker to help gauge CO2 levels.