Re-insert or replace the water filter. Expert tip : If you descale your Keurig 4x a year, try setting a calendar reminder at the start of each new season — so you never forget. Clean the needles.

If your Keurig has a water-filter holder, you need to replace the water filter cartridge inside it to keep your coffee tasting its best. Doing this helps remove chlorine from the water. A Keurig ...