Industrial Test Systems, Incorporated (ITS) was established in 1989 in Rock Hill, South Carolina. ITS is a leading American manufacturer of instruments and chemistries designed to test water quality parameters. Serving numerous industries, including municipal water treatment, food & beverage, pond & aquarium, trucking & automotive, pool & spa, educational, and medical diagnostics, ITS serves as a revolutionary in the water quality testing industry. ITS has developed and patented over 100 tests and proprietary chemistries. We are proud to have developed the first and only EPA-approved test strip. Our cutting-edge inventory is unique and specializes in saving our customers time and money.