Cleaning A Penny With Coke
Cleaning A Penny With Coke . They usually become a bit black and rusty. Soak the pennies in coke for about five minutes then rinse with water. 10 CocaCola Cleaning Uses That May Surprise You Amarco Plumbing from amarcoplumbing.com Citric acid works similarly to the other acids. With this simple technique, anyone can get their penny as clean as it once was. Gather up a few dirty pennies.