Made of high quality glass, use to measure CO2 levels at a glance.

Indicator color chance shows results: The CO2 indicator (C02 indicator reagent not included) color is blue, when it is blue represented CO2 insufficient;

Turns green, the balance of CO2; Turns yellow, means your tank has too much CO2. Make the necessary adjustments and test until you get green.

With strong suction cup, simple attach it on the wall of your fish tank and not easy to fall off.

Used to test and monitor the concentrate of the aquarium water plant fish tank, and it suitable for fish tank, aquarium, especially aquatic plants, tropical fish to watch and cultivate for fish tank.

Size:
8cm x 5cm x
Diameter - 4cm

What's in the box
1 x Pet Aquarium Suction Cup CO2 Level Monitoring Drop Checker (8cm)