JED Pool HTH Test Strips provide a convenient and easy-to-use solution for testing your pool or spa water. This pack contains 50 strips designed to measure chlorine, total alkalinity, and pH levels, helping you maintain balanced and safe water without the hassle of liquid tests. The strips come in a handy clamshell package, making them simple to store and use whe needed. for regular monitoring, these test strips ensure your pool or spa stays clean and comfortable for all users. Model Number: 00-IT490