Performing a deep clean on a coffee maker is important to extend its useful life and ensure you’re brewing the best-tasting coffee possible.
A buildup of hard water scale and rancid coffee oils in a coffee maker is to be expected. Allowing that buildup to remain (and multiply) can be very hard on the machine and make the coffee that comes from it turn stinky.
Plain white vinegar is the most common method for cleaning a coffee pot or automatic coffee maker. And if you’ve been doing it this way, you may have discovered how vinegar comes with its own problems. A far better choice for this job is citric acid….