• Monitors pH solution in aquarium
• Easy-to-read color changing indicator solution included
• Recommended for planted aquaria with CO₂injection 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.