Purezone uses optical sensor technology to measure and test spa water chemical levels including potential of hydrogen (pH), free chlorine (FC) or total bromine (TB), and total alkalinity (TA), without testing kits. It sends precise daily test results to your phone, as well as advice to help rebalance and maintain optimal water quality.

• Automates for every-other-day (default), every day, and also on-demand testing, whether you’re home or away
• Monitors for pH, free chlorine or total bromine, and alkalinity levels
• Testing is done using smart cassettes, each lasting 48 tests up to 60 days in water
• Runs on rechargeable Li-ion battery power
• Sends test results and advice to rebalance water quality
• Displays status on cassette and battery life in-App
• Available options include Purezone for Dock-ready spas and float-style

Purezone with Hover and Purezone with Dock and includes the downloadable Purezone App, wireless charger and cassette