Acuity Brands, Inc. sold its National Chemical product line to Cascade Water Services, New York. Prior to this sale, National Chemical was a part of Acuity Specialty Products (ASP), a business segment of Acuity Brands, which includes leading brands such as Zep, Enforcer and Selig Industries. Cascade owns and operates water treatment facilities throughout the U.S.National Chemical manufactures specialty chemical products and provides services for boilers, cooling towers, and wastewater applicatio...