how to clean mr. coffee
1. Cleaning Solution or Vinegar. You need to clean the coffee maker of the calcium deposits that have built up through continual use. Mr. Coffee Cleaner works best, but you can also use vinegar if need be. If you do, pour four cups of white vinegar into the machine and using an empty filter, brew the solution. 2. Wait 30 Minutes. The Coffee Maker will pause for 30 minutes while the solution does its job.