IAFVKAI Glass CO2 Drop Checker Aquarium Hang On CO2 Monitor CO2 Detector for Aquarium Planted Tank

Please note:Size for manual measurement, there may be a 1 to 3 cm error, belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item. Product Specification:Name:Co2 Capacity MonitorMaterial: GlassMade of high quality glass, which is non-toxic, safe and durable.Easy to use, simply install.CO2 levels optimum for your aquatic plants and fish to glow.The hanging design makes it easier to use. Drop the CO2 indicator into the tube and hang the ball-shaped glass towards the outside of the aquarium.Used to test and monitor the concentrate of the aquarium water plant fish tank.Easy maintenance, since it is not under water, it won't grow algae on the glass. NOTE: CO2 Indicator Dioxide of indicator color turns slower, necessary to wait for 2 hours. Package Includes: 1 x CO2 Drop Checker for Aquarium(C02 indicator reagent not included)