Hydrion CH-1000 Chlorine 0-1000ppm High-Range Sanitizer / Disinfectant Test Strips - 100 Count Vial
This product includes a color chart and 100 test strips. The color chart has color matches at 0, 50, 100, 250, 500, 800, and 1000ppm (parts per million). The test strips are held in a convenient, plastic dispensing container. This kit meets requirements for federal, state, and local health regulations that require users of chlorine-based sanitizer solutions to verify their strength with appropriate test kits. For accurate results, store these test strips away from areas with high humidity or where they may be exposed to water before use, as those conditions may compromise results.