Descale every 3-6 months: The descaling process removes mineral deposits that can clog your machine and alter the flavor of your brew. If your Keurig sees heavy use or you live in an area with ...

and scrub the outside of the Keurig with a damp sponge. Rinse out the reusable K-Cup, and scrub it if needed. Allow the accessories to dry, and then reassemble your machine for descaling.