Soak your coins in a glass or other non-corrosive container for at least 30 minutes, up to overnight, and then wipe with a clean cloth or scrub gently with an old toothbrush. You may want to try using some non-abrasive cleaners (like vinegar) if youre worried about removing any patina on your coinand always keep in mind that these cleaners are only meant as a starting point! If you dont have a brush available, leave the coins submerged in the ketchup for at least 5 minutes. Paper Towels This process can get a bit messy. This article has been viewed 60,522 times. Hydrogen peroxide can be an effective way to clean your coins. Anyone can use this simple technique. Repeat, as necessary. Hot sauce and brown colas are some other household substances that work well on copper coins. Drop the pennies into the mixture for about 5 minutes. With this simple technique, anyone can get their penny as clean as it once was. Avoid rubbing where possible as they can scratch and damage the coins surface. Vinegar is a great cleaning agent because it will remove the copper oxide thats on your pennies. Here are a few different methods that you can use to get those pennies clean. If you dont have ketchup or another acid, try using a metal polish from a general store. That means a lot more options for getting them clean enough to use again. Remember, cleaning a wheat penny you have found while metal detecting might make it look better to you, but to a professional numismatist, it will be ruined. Ketchup is also effective at cleaning copper jewelry, so keep this tip in mind next time you need an emergency polish job for your favorite necklace or bracelet! The more contact the coins have with one another the more damage they take on. Method 1 Removing Dark Spots with Vinegar Download Article 1 Pour 14 cup (59 mL) of white vinegar into a small bowl. How to clean copper pennies using vinegar and baking soda. The effect is achieved only where the mixture has been in contact with the coin, so ensure you cover the entire coin! 4 Ways to Clean Copper Coins - wikiHow Just make sure you keep the rubbing to a minimum. wheat pennies found can be worth a small fortune. It works similarly to ketchup. This fact makes it all the more important for you to know how to clean corroded pennies, especially if youve found a few wheat pennies from metal detecting. The key is to first know what kind of coin you have.

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