Industrial Test Systems, Inc., (ITS) is a leading American manufacturer of instruments and chemistries designed to test water quality parameters. ITS has developed over 100 tests and proprietary chemistries, many covered by Worldwide Patents and ETV/EPA performance-verified tests. ITS created the first and only EPA-approved test strip for Chlorine testing. Our latest product, the new handheld eXact iDip Smart photometer, eliminates common testing errors since there are no vials, liquids, and ta…