Ensure proper sanitization with the Hydrion® Quaternary Test Kit. This easy-to-use test paper/strip allows you to quickly and accurately measure the concentration of quaternary ammonium compounds in your sanitizing solutions. With different kits covering ranges from 0-400 ppm to 0-500 ppm, you can confidently maintain effective sanitization levels for food service, laboratories, and other commercial settings. The disposable test papers and complete kits provide a simple, routine way to monitor and ensure the efficacy of your quaternary ammonium sanitizers.