Environmental Test Systems (ETS) is a leading developer, manufacturer and marketer of chemical test systems. Best known for innovative use of dry reagent test strip technology, our products offer easy, reliable methods of detecting and measuring conditions in water, soil, oil-based solutions and other substances.

As a company created from a medical background, where high-quality products are essential and working with a great deal of discipline is necessary, ETS has a long history of being on the leading edge of quality control. Our company is ISO 9001 certified. We hold our products to the most stringent of standards. ETS test strips are sold under well-known brand names such as AquaChek® in the pool & spa industry and SteriChek® in the medical industry.

ETS was started in 1985 as a spin-off of the pharmaceutical manufacturer, Miles, Inc. In 1998, ETS became a wholly-owned subsidiary of Hach Company, a major manufacturer and distributor of chemical systems and laboratory equipment used to test water and other aqueous solutions. We provide a full range of test kits, process analyzers, equipment, and chemical reagents to individuals, companies, and institutions worldwide. Today, ETS is a business unit of Hach Company, a subsidiary of the Fortune 500 company Danaher Corporation.