Puly Milk is the powerful versatile cleaning liquid, it's ideal for cleaning bean to cup coffee machines and auto milk frothers.It's also extremely effective when used to soak and clean up steam wands and arms on traditional espresso machines.Through extensive research Puly have done it again, creating the ultimate product for the job and the best cleaning product of it's kind on the planet.Puly Milk can also be used to soak and clean cups, drip trays, filter baskets and other parts of espresso machines which become dirty over time.