PC102 CL2 pH Chlorine Tester construction: rugged plastic housing designed for poolside use, resistant to splashes and everyday handling. Dualparameter measurement: quickly checks pH and chlorine levels to help you keep water balanced and safe for swimmers. Easy to use: simple controls and fast readings; clearly indicates when levels are within recommended ranges. Clear display: large, easytoread screen shows both pH and chlorine readings at a glance for fast adjustments. Portable design: handheld and lightweight, fitting easily into a maintenance kit and moving between locations. Reliable performance: designed for longterm use with stable readings across typical pool and spa conditions. Use scenarios: Residential pool: perform quick daily checks to maintain proper chemistry and reduce chemical waste. Spa or hot tub: verify sanitizer and pH levels before use for comfort and safety. Small commercial facilities: streamline routine testing for pools and spas without complex equipment.