AquaChek was founded in 1985 as a subsidiary of Hach Company and is based out of Elkhart, Indiana. Hach is a recognized leader in developing, manufacturing and marketing innovative chemical testing systems for users around the world. Using the Hach manufacturing facility that produces test strips for the medical industry, AquaChek puts the same exacting quality and standards into all of their chemical testing systems, including those for pools, ponds, and spas. AquaCheck/Hach is your resource for expert answers, outstanding support, reliable and easy-to-use products. The Hach Company maintains international ISO 9001 certification by following strict productions standards.