Our descaling solution for coffee makers safely cleans inside your machine without harming your brewer or leaving behind any odor or residual taste. Our coffee maker descaling liquid is made in the USA and is biodegradable, odorless, and phosphate-free. PureWater Filters Descaling solution is compatible with ALL coffee machines, including Keurig 2.0 and K-Classic K-Cup brewers, automatic and manual drip coffee makers, single-serve coffee & espresso machines, and Nespresso, Delonghi, Hamilton Beach, Braun, Bunn, Cuisinart, Tassimo, Krups, Saeco and more.