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How to Clean Old Keys

    • 1). Scrub the keys using soap and water to remove general dirt. Many keys only need a scrub with a nylon bristle brush to clean up completely.

    • 2). Place a small crock pot outside with an extension cord on (a nice day). Place the keys in the bottom of the pot and pour vinegar to cover the keys. Heat the vinegar for about 30 minutes (it stinks). Allow the mixture to cool.

    • 3). Remove the keys. Rinse the keys in water. Moisten a rag with paint thinner and wipe off each key to remove any grunge.

    • 4). Place keys in a disposable plastic container or crock pot. Pour Coca-cola drink over the keys. Place the lid on the container and let the keys sit in the soda drink overnight or 24 hours. Remove and wash with soap and water and dry thoroughly.

    • 5). Lubricate and protect your clean keys with a metal polish.

    • 6). Clean cheap keys fast by holding the key with vise grips, and holding the key to a spinning wire wheel. Wear safety goggles to protect your eyes. The wire will strip off all the dirt on the key.

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