Copper, like many metals can get tarnished with time and use.

However, when it comes to cleaning copper you don't have to buy commercial products, and for cleaning any kind of copper cooking utensil I don't recommend it for sure.
The reason, of course, is that you don't want copper pots and pans, and other copper objects that you use for cooking, to get chemicals on them for cleaning purposes that wouldn't be safe to ingest.
Therefore, below I have provided two recipes for natural copper cleaner that work quite well.
The main copper cleaning ingredient is any weak acid, such as vinegar or lemon juice, combined with salt.
I personally prefer lemon juice because I think the smell is better.
Check out this article about using lemon and salt as a copper super cleaner for full details on how to clean your copper with natural ingredients.
You can also see this video demonstrating the almost magical effect of this cleaning method on your copper pots.

Ketchup has been recommended down through the years as a common household remedy for cleaning copper.
Will it work? Yes, it will work, because ketchup generally contains both vinegar and salt.
Should you use it though? My personal view is no. You should save the ketchup for eating and instead just use the ingredients in the ketchup that do the work instead -- the vinegar (or lemon juice) and salt.
This keeps you from having to worry about ketchup stains if you get ketchup somewhere it shouldn't be during the cleaning and polishing process.
Ingredients:
Directions:
Combine the ingredients together in a bowl to make a paste and use a soft cloth to rub the paste onto the copper.
Let the paste dry on the copper, approximately for 1-2 hours.
Finally, rinse off the paste and then dry and buff with another clean soft cloth.
I have provided a couple of homemade copper cleaner recipes, but there are always lots of ways to clean something.
You can share your tips for cleaning copper here, and read even more tips already submitted.
You can see even more homemade metal cleaner recipes on this site here:

I update this site all the time with tips, tutorials, cleaning recipes, reviews of products from readers like you, and tests I've done on various cleaners, stain removers and laundry supplies.
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CAUTION: This website is provided for informational purposes only, and Stain-Removal-101.com provides it as is, without warranties or guarantees. Some stains just won't come out, and are permanent. Further, some stain removal methods can harm your item, so if the stained item is sentimental or expensive call a professional. See disclaimer of liability for more information.
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