Monitors pH solution in aquarium
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. When submerged in water, this indicator solution changes color according to changes in the pH of the aquarium as a result of CO2 gas. The pH checker makes monitoring CO2 concentrations and pH level in planted aquaria easy.
Suction cup included.