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. Most AquaChek products are good for at least 24 months from the date of manufacture. Their entire product line assists pool and spa owners to know right away the exact condition of their water and help them to determine if any chemical adjustments need to make. The Hach Company maintains international ISO 9001 certification by following strict productions standards.