We use the milk foam cleaner for our Melitta Caffeo Barista TSP. It is cheaper than the cleaner of Melitta or other "brands". As ingredients following is indicated on the bottle: 5-15% phosphates, non-ionic TensideDie handling 1Literflasche is very easy through the dosing feature. Amount and frequency we carry out according to the instructions Melitta and are very satisfied. We use this cleaner for the milk system of Melitta. The owner of Ambideluxe is very concerned about your customers. If you enjoyed or helped this review, I would be happy about an assessment very. Thank-You! :-)