10,99 €
- CO2 measurement in the aquarium: aquarium tank essential tools. The CO2 content in the aquarium can be determined by changing the color of the test liquid, which is filled into the long-term test (this product does not contain a CO2 indicator).
- High quality glass material: CO2 long-term instrument is made of high quality glass, crystal clear and robust, for measuring the CO2 content at a glance, unique round shape design, very pretty.
- Strong aquarium sucker design: easy attachment to the side wall, the long-term test holds onto the pane thanks to the strong suction cup.
- Easy to Use: The CO2 indicator color is blue, when it is shown blue CO2 insufficient, turns green, the balance of CO2, turns yellow, means your tank has too much CO2.
- Apply to: 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.