Hydro Instruments has served the Water and Wastewater Industry since 1978 as a complete resource for all Chlorination and De-Chlorination needs. Our product line includes Gas Feed and Liquid Chemical Feed Equipment, a complete line of Accessories, Chlorine Analyzers, Gas Detectors, Automatic Valves, Corporation Stops, and much more! Hydro Instruments manufactures the highest quality equipment on the market and is backed by the longest warranty available today. We stock a large inventory of parts and assembled products so most orders ship same day. Hydro Instruments is committed to quality and service which is what makes us the fastest growing company in our industry.