Style Name:Swiss Espresso Swiss Espresso Special Decalcifier is specifically formulated to protect and care for all brands of espresso machines: fully or semi automatic machines, manual machines, machines working with coffee pods or capsules, even coffee makers, electric water heaters and tea kettles. Works 10 times faster than citric acid-based decalcifiers or vinegar with no unpleasant odors. Complete decalcification ensures a continuously optimal espresso quality. Due to its efficient corrosion protection, Swiss Espresso does not damage components. It will not leave any residues which could otherwise clog the machine.