Easy-to-read color changing indicator solution included
Recommended for planted aquaria with CO2 injection systems
The pH checker is a glass pH monitor that comes with pH sensitive indicator solution. (For refills, see our CO2 Indicator Solution). When submerged in water, this indicator solution changes color according to changes in the pH of the aquarium as a result of CO2gas. The pH checker makes monitoring CO2concentrations and pH level in planted aquaria easy.
Suction cup included.
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