How to Clean Antique Copper
Antique copper gives off a wonderful glow when properly cared for. Like all old metals, however, it must be handled with respect and gentle care to bring out its best.
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Wash your item in soapy water, gently scrubbing with scrubber-side of sponge to remove any accumulated dirt (crusty, sticky or mysterious). Dry the item thoroughly. Once you have done that, you should be left with two kinds of stuff to clean off: a blue-green patina (coating) or streaks and some dark brown or black patina as well.
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Pour a small amount (like 2 tbsp.) of metal polish for copper onto the item. Apply it gently with soft cloth. Remember, "gently" is the watch-word. Copper is a soft metal. Bearing down hard with any kind of abrasive polish or metal scrubber (like steel-wool, for example) can scratch the surface, remove detail and even damage the shape of your item.
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Let the polish dry completely. With a new clean cloth, rub off the polish. You should see some improvement. If green and brown stains remain, repeat.
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Pour a small amount of ketchup into a fresh bowl/plate. Apply it to delicate surface details, like incising, and rims or edges that do not respond well to metal polish. Use Q-tips to apply and gently rub ketchup onto hard-to-clean areas.
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Leave ketchup in place for 2 to 4 minutes. Moisten a clean cloth with a little water and gently rub off ketchup (it does not need to be dried). Ketchup is a great metal cleaner and you may wish to finish your job by rubbing the whole bowl with it, to even out your work.
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Wash the polished item in soapy water. Dry it thoroughly and enjoy the warm, rosy, cheerful glow.
Tips
- Ketchup on copper produces a really strange smell.
Warnings
- Keep copper items dry at all times. Water/any liquid plus copper produce the blue-green substance we call "verdigris." Verdigris is poisonous. Therefore, any copper items used for cooking must be checked for verdigris before every use. Make it a practice to polish copper utensils both before and after using for cooking, and dry them thoroughly by hand.
Writer Bio
Janet Beal has written for various websites, covering a variety of topics, including gardening, home, child development and cultural issues. Her work has appeared on early childhood education and consumer education websites. She has a Bachelor of Arts in English from Harvard University and a Master of Science in early childhood education from the College of New Rochelle.
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