For over 28 years, Industrial Test Systems, Inc. (ITS) has been a leading American manufacturer and innovator of water quality testing. We have developed instruments and chemistries designed for water quality testing. Our products are ideal for testing municipal, industrial, education and recreational water. Our cutting-edge products save customers valuable time and money. ITS has developed over 100 tests including the first and only test strip approved by the EPA and several NSF approved photometers. We pride ourselves in developing tests that make complex chemistry simple and friendly.