mopatin | Clean Copper with Vinegar, Salt and Baking Soda @tinkerbit | Uploaded 9 years ago | Updated 6 hours ago
How to clean rusted copper with vinegar and salt. The sodium bicarbonate is for neutralizing the acid, because if not, the acid would corrode the surface of the copper.

en.wikipedia.org/wiki/Copper
en.wikipedia.org/wiki/Salt
en.wikipedia.org/wiki/Vinegar
en.wikipedia.org/wiki/Sodium_bicarbonate
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