Finally, the coin is placed in a solution of baking soda and water to neutralize the pH before removing, rinsing, drying, and polishing. 6. Finally, wash the coin using the soap and water method mentioned above to remove any Goo Gone residue left on the surface of the coin. Vinegar is a dilute solution of acetic acid (HC2H3O2), produced by bacteria during fermentation. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Pour your pennies into the bowl and stir them gently with a spoon. Citrus liquids such as lemon and orange juice are mildly acidic and work wonders for cleaning copper coins when combined with salt. Like vinegar, citrus juice is acidic and wears off copper oxide on coins. The copper that is dissolved in the vinegar will be attracted to the steel nuts and bolts. An old toothbrush works great. Remove the pennies from the solution and rinse under warm running water. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Mix 1 2/3 cups baking soda and 1/2 cup liquid soap in a bowl. Ive authored nearly 1,000 articles here at The Fun Times Guide to Coins (many of them with over 50K shares), and I welcome your coin questions in the comments below! ABOUT Josh:Im the Coin Editor at TheFunTimesGuide.com. In about a minute, your penny will turn from dull brown into bright copper color. If you dont have any of this product, make a paste from baking soda and vinegar and apply the same way. Who would have thought that cleaning copper coins is like performing a fun science experiment in the home? Combine it with apple cider and scrub it clean. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Add a half a cup of baking soda with the laundry detergent to supercharge the cleaning process. Cleaning Copper With Ketchup: Ketchup can be used to clean a variety of copper products. Place a lid on the container and soak the coins for one week. This turns that bright orange-red color into a dull brown but can be removed from the surface of the coin. 2. Bar Keepers Friend is also ideal as a copper pot cleaner. If the layer of brown oxidation doesn't budge, return the coins to the dish and let them soak for five more minutes. Rinse the penny and your fingers under clean running water and dry with a soft cloth. It may take several batches of pennies in order to put enough copper into the solution. Pour the . If you don't have vinegar, use lemon or even orange juice. Ordinary vinegar can be used to rid old coins of the gunk theyve gathered over time. As an acid, vinegar breaks down minerals that form from hard tap water, forming unsightly stains on sinks, tubs and counters. If you don't wash them off, a blue-green sheen will develop on your pennies. Next, mix baking soda and water into a thick paste and rub this paste over the penny using your fingers. Hold each coin under running water to rinse away soapy residue. Cleaning pennies with a combination of simple ingredients and watching the copper oxide dissolve away like magic is a fun activity for the whole family and a great way to restore those coins to their original shiny color. Take the coins out and place them on the clean, soft cloth. Green is an indication of corrosion that cannot be fixed. You can get Lincoln penniesby the roll at your local bank, or check with your parents or grandparents if they have a big-old-jar full of pennies and spare change sitting on top of their dresser. What does vinegar do to coins? The answer is pretty basic baking soda and vinegar lie on opposite ends of the pH scale. Using the old, soft toothbrush scrub the face of the coin softly. Squeeze enough ketchup or Tabasco sauce into a small container or bowl to cover your pennies and place the coins into the sauce, making sure they do not overlap. Regularly add boiling water with a grease-fighting dish soap down the drain to prevent the buildup of greasy clogs. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Copper oxide (the gunk on your pennies) dissolves in weak acid, and that's just what all three of these liquids are. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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