C+ Cassettes use our patented technology to test your water’s chemistry daily and provides our most accurate chemical, pump and temperature readings.

• 6 months of measurements: 3 C2+ Cassettes measures FC and pH only
• 10% longer life from 58 days to 64 days for extra “measure now” readings
  
• Customizable temperature alerts to know the temperature is right or if the pool heater may have been left on.