ETS was founded in 1985, as a subsidiary of Hach Company.
Hach is a recognized leader in developing, manufacturing and marketing innovative chemical testing systems for users around the world. Our manufacturing facility produces test strips for the medical industry — we put the same exacting quality and product integrity into all of our chemical testing systems, including those for pool, pond and spa owners.
We've earned the internationally recognized ISO 9001 certification for following strict quality standards and rigorous testing procedures. Our AquaChek tests are specially designed to be fast, easy, and above all, accurate.