Durable pool and spa water tester with a tough plastic shell that resists impact and holds up to regular use. Keeps water chemistry in safe ranges Helps maintain pool or spa water within safe chlorine and pH levels for better water quality and comfort. Simple, reliable tool for routine monitoring of sanitization and balance. Easy to operate with clear results Quick tests for pH, organic pollutants, and other harmful substances in water. Large display shows pH and chlorine readings clearly for easy and accurate interpretation. Key attributes and design Material: plastic shell that is impact resistant, durable, and sturdy. Function: measures pH, organic pollutants, and harmful substances to support proper water treatment. Display: large screen for easy reading of pH and chlorine levels. Size and form: compact design for convenient handling and storage. Compatibility: suitable for use with pools and spas. Use scenarios Home pool maintenance: perform regular checks to keep chlorine and pH in the target range and reduce chemical imbalance. Spa care: quick readings to maintain safe and comfortable bathing water. Small commercial or shared facilities: routine testing to ensure water quality for guests and users.