King Lee Technologies manufactures reverse osmosis chemicals such as antiscalants and membrane cleaners. King Lee provides full wrap-around support for RO chemistry.

King Lee’s powerful proprietary formulations of antiscalant & antifoulants sets us apart from the crowd. For over 40 years we have formulated the industry’s most effect pretreatment chemicals.

King Lee Technologies manufactures proprietary lines of antiscalants, antifoulants, membrane cleaners, and specialty products ranging from microbiological control to membrane preservation & storage. These chemicals have been specifically formulated to optimize your membrane system's performance, all while being cost effective.

King Lee Technologies created the membrane chemistry industry. Founded in 1977 by Craig Netwig, we have been working with system operators, OEMs, and consulting engineering firms for over 40 years.

King Lee Technologies created the membrane chemistry industry. Founded in 1977 by Craig Netwig, we have been working with system operators, OEMs, and consulting engineering firms for over 40 years.

King Lee can help you find solutions through our RO membrane services when membrane and system issues arise. Issues can stem from inadequate pretreatment, changes in feed water quality, ineffective cleaning, and malfunctioning equipment which can all contribute to a loss in overall performance.

King Lee Technologies created the membrane chemistry industry. Founded in 1977 by Craig Netwig, we have been working with system operators, OEMs, and consulting engineering firms for over 40 years. We have seen the industry grow from a scientific curiosity to main stream technology producing trillions of gallons of potable water every day.

King Lee offers a variety of acid and alkaline membrane cleaners to meet your specific needs and are all NSF/ANSI 60 certified for drinking water facilities. We offer our KL series powder cleaners for cost effectiveness and Diamite series liquid cleaners for ease of use.

Find our King Lee products worldwide. We partner with local and regional water treatment providers to sell and support our products locally.

King Lee Technologies created the membrane chemistry industry. Founded in 1977 by Craig Netwig, we have been working with system operators, OEMs, and consulting engineering firms for over 40 years.