HTH 3-in-1 Swimming Pool Test Kit

The HTH 3-in-1 Pool Test Kit is your water testing solution for keeping your pool safe, clean, and perfectly balanced. Designed for both pool owners and maintenance professionals, this complete kit makes it easy to monitor your pool’s free chlorine, pH levels, and total alkalinity—three of the most essential components for healthy water chemistry. This test kit includes easy-to-use liquid reagents, test block with color comparator, and instruction guide to help you interpret results quickly and accurately. Whether you’re adjusting chlorine levels or managing water balance, this HTH kit ensures sparkling water every time. Key Features Tests free chlorine, pH, and total alkalinity Includes 4 liquid reagents, test block, and instructions Easy-to-read color-coded comparator Accurate and fast results For chlorine and saltwater pools