Rinza Milk Frother Cleaning Tablets are specifically designed for use on the milk systems and parts of coffee and espresso equipment. When dissolved in water, Rinza Tablets create a solution that will easily remove milk residue ad build-up in steam wands, valves, and tubes. Solution can be used on automatic milk frothers, manual steam wands, traditional and super automatic espresso machines, and milk pitchers. Tablets provide users with convenience and flexibility for use and storage.