The Eccotemp System Descaler is made to quickly dissolve water scale, lime, rust, and other water formed deposits, restoring efficiency to most all appliances. The Eccotemp System Descaler is a non-toxic concentrate that's certified to NSF/ANSI 60 for use as a cleaner in potable water systems.• Certified NSF/ANSI 60• Non-corrosive• Non-toxic• Fully biodegradable• Safe to handle• 32-oz. bottleRecommended Uses: Ice Machines, Humidifiers, Water Heaters, Boilers, Heat Exchangers, Chillers, Vacuum Pumps, Condensers, Evaporators, Tanks, Potable Waterlines, and Water Operated Equipment. Non-toxic concentrate that's certified to NSF/ANSI 60 | Eccotemp System Descaler Solution, 32 Oz