PROFESSIONAL ACCURACY Achieve precise results with a test kit that uses color coded reagents and easily matched color standards, designed for reliable professional testing and straightforward operation. COMPREHENSIVE SOLUTION This 2-in-1 water test kit provides a simple, fast way to measure pH and free chlorine in pools and spas, helping ensure water is safe and comfortable. INSTANT AND VERSATILE TESTING Test chlorination and saltwater systems with ease, receiving accurate, dependable results in seconds for more efficient pool or spa maintenance. COMPATIBILITY AND PERFORMANCE Suitable for both chlorine based and saltwater systems in residential and light commercial settings, built for quick and repeatable results. PRACTICAL USE SCENARIOS - Weekly home pool maintenance: check pH and free chlorine to maintain sanitizer effectiveness and user comfort. - Spa upkeep: monitor water balance to preserve skin health and protect equipment. - Saltwater and mixed systems: rapid checks before use in saltwater pools or spas and in facilities that run chlorination.