Wipe the exterior with a damp cloth, and descale as needed by boiling a descaling solution or a 1:2 vinegar-to-water solution and letting it stand overnight.
- Discard the solution after soaking.
- Refill with water, boil, and discard.
- Repeat as needed.
- Remove the filter and wash it under hot running water.
Avoid harsh detergents, abrasive cleansers, steel wool, and steel scouring pads.