Product Description:
Monitor your CO2 concentration in a planted tank with the help of a glass CO2 indicator. Our set includes one CO2 indicator glass with a suction cup only. If you need a bottle of CO2 indicator reagent liquid (without mixing aquarium water), please purchase separately by choosing the option.
Blue – insufficient CO2
Green – sufficient CO2
Yellow – too much CO2
![[6 MONTHS LOCAL WARRANTY] Mufan CO2 Inline Diffuser Aquarium Tools](https://shop.shrimpoly.com/wp-content/uploads/2019/06/co2-inline-diffuser-1-150x150.jpg)
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