Specifically designed to work on the milk touching parts of espresso machines and coffee equipment, the Urnex brand milk frothing cleaning system should be a daily part of equipment cleaning. Rinza makes removing milk protein build up quick and easy on all parts, such as milk frothers, steam wands and espresso machines. Each 32oz Urnex bottle will supply you with 30 uses per container. Urnex makes sure that this milk frother cleaner works quickly and effectively to get you back to selling coffee quickly. To Use fill a measuring cup loosen cap and squeeze bottle. Mix solution of 15-30 ml Rinza Milk Frother Cleaner per 500 ml cold water. Insert suction tube into solution.Then run the entire solution through frother. Repeat above with clean cold water to thoroughly rinse all components. Make and discard a cup of espresso to ensure no residue remains. TIP:Soak parts or steam wand for 15-30 minutes in 30 ml Rinza Milk Frother Cleaner per 500 ml warm water. Rinse all components.