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Re: coffee tastes metalic
Welcome to FixYa! I'm the expert that has chosen your problem to resolve.
White vinegar (which is a very mild acid) is a good solution for those folks that clean their coffee pots about every two days, however, if you are like me (I drink about 2 pots a day), I usually don't get around to it until the coffee won't run any more.
So, I "kick it up a notch" with CLR (Calcium, Lime and Rust). It is perfectly safe to use in coffeemakers. Just look on the back of the label and you will see how to clean your coffeemaker with great results).
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Most coffee pots are cleaned by running 1 part white vinegar and 1 part water. Just put in the reservoir and run a cycle. Once completed, run again with 1/2 pot of water only and it will clean it. If you use your pot daily, this should be done once every few months. If you have foul tasting coffee, you should use bottled water to rectify that. Plain tap water has minerals that dilute the taste of the coffee and over time build a residue in your pot.
Vinegar/water cleaning is a good idea, but it won't necessarilly solve funny-tasting coffee. First, replace your charcoal water filter - you can get the Cuisinart brand-name replacements at Lowe's, Bed/Bath/Beyond, or Williams-Sonoma in most areas.
To do the vinegar/water cleaning, just pour 1/3 caraffe distilled white vinegar and 2/3 caraffe water into the water reservoir and brew it like it was regular coffee - I would simply bypass the self-clean function if your Cuisinart has one. Repeat up to 3 times, using a fresh batch of vinegar each time.
(if you have the caraffe-less DCC-2000, then just pour in 4 cups vinegar and 6 cups water).
Then run a full cycle of water. Then run a combo of 12 tsp lemon juice and 12 cups water (or 10 tsp and 10 cups water) to improve the taste.
On your next batch of coffee, use bottled water just to rule out any possibility that your local water supply may be contributing to funny-tasting coffee.
THIS HAS NOTHING TO DO WITH THE COFFEE. This has to do with water filter system and most importantly descaling of machine, as over time the metals in side machine and tubing get a mold type build up. Its a chemical reaction from the water and tubing and the coffee and metals. To 100% solve this, descale the machine with water and vinegar mixed. Do this a couple of times and use bottled water to fill water tank if you do not have a good water filter tap system. I have been the espresso business for over 16 years with 4 locations, and it has nothing to do with the coffee. If it was the coffee or poor coffee it would tasted burned or bitter, but NOT tasting like metal.
Please rate my solution as you see helpful, Thanks Mike Espresso Expert
vinegar is not the best it remove calcium in little piece descaler produit melt go buy the descaler produit 1part descaler 1 part water put in water container start the machine after a few second turn it off leave it there for 15 minute repeat untill empty rinse very good after that product is corosif 2 or 3 full rinse thanks for using fixya pierre
First try putting a cycle through with no coffee - see if you have any more luck identifying the taste.
If you haven't descaled recently, that could be the cause - scale can hold other materials which can be tasted - run a cycle with 50% white vinegar, then rinse through a couple of times and see what you get - if you need to get rid of any vinegar taste, just run a cycle with a couple of teaspoons of bicarbonate of soda through.
The water could still be to blame - even purified, there are certain things that can change that most purifying methods will not remove, such as higher salt levels during summer months etc.
Make a cup of coffee without the machine at all, and see if you get the same aftertaste. The machine may not be to blame.
Hope this helps, please ask again if you need more info :)