Learning how to clean copper is an important part of maintaining your copper ware, whether you have just one treasured copper utensil or a whole set of copper pans. A highly prized material with exceptional heat conducting properties, copper is a little more high-maintenance than stainless steel and other materials used for making cookware. Copper oxidises over time, causing a dark tarnish to form on the surface of the metal; don't worry, though – the tarnish is easily removed and doesn't affect the performance of your copper in any way. Read on to find out how to clean copper using all-natural ingredients found in your kitchen.
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1. Clean copper with salt and vinegar
Mix a tablespoon of table salt into a cup of vinegar; dip a cloth into the mixture and rub off the tarnish with the cloth. Alternatively, fill the kitchen sink with the mixture (you'll need more of it, of course) and hot water and soak your copper pans in it for half and hour. The tarnish will dissolve; afterwards, just rinse and dry.
2. Use baking soda
Baking soda does wonders at removing stains and tarnish from all types of metal, and copper is no exception. Simply sprinkle a little baking soda onto a damp cloth and work it into the tarnish. Rub off and rinse.
3. Try cleaning copper with ketchup
The acidic profile of ketchup makes it a surprisingly effective cleaning agent, and it's especially effective on tarnish and burnt-on food. Cover the area of the pan that needs to be cleaned with ketchup and let sit for half an hour. Then, rinse off with warm water and dry.
4. Use a lemon
Lemon is also very effective at dissolving tarnish and restoring the natural shine of copper. Simply slice a lemon in half, sprinkle a little salt on the sliced surface, and rub all over the tarnished area – you don't even need a cloth! Simple rinse and dry afterwards.
5. Polish your copper regularly
Copper rewards regular cleaning and polishing; it's much easier to keep it in good condition by giving it a regular polish rather than waiting until lots of tarnish has accumulated. You can just polish your copper with a soft microfibre cloth after washing, or you can use a dedicated copper polish that will remove stains and keep the metal in good condition.