CARUS™ 4105 is a water treatment chemical is an effective corrosion inhibitor for use in potable and industrial water systems. It is designed to inhibit corrosion of steel distribution system water lines, iron and galvanized piping, and lead and copper plumbing. It reduces lead and copper leaching, which results in lower lead and copper levels in the delivered potable water. The product is a liquid concentrate of exceptional purity, clarity, and stability for better corrosion control.