How to remove rust from coins

This blog post will answer the question, “how to remove rust from coins” and cover topics like how to clean corroded coins at home, how to remove rust from coins, and frequently asked questions.

How to remove rust from coins?

Rust can be removed from coins by following the steps given below:

  • Using clean water, completely wet the coin.
  • Baking soda is used to roll the coin. Sodium bicarbonate has gritty properties.
  • Using a toothbrush or a towel, scrape the rust away.
  • Rinse the coin well.
  • Scrubbing and washing should be repeated until the rust is gone.

What is the best way to clean rusted silver coins?

Silver coins, particularly older silver coins, are susceptible to corroding and tarnishing. When silver is exposed to the air for an extended length of time, it tarnishes. Toning is a natural process that should be preserved in collector coins.

Experts in the field of silver coin cleaning have devised a safe – and simple! – method:

  • Prepare
  • Water
  • Clean
  • Rinse
  • Dry

I will now elaborate on the guidance given above.

Prepare: Make absolutely sure your hands are clean and you’re working on a smooth surface. Clean towels, distilled water, a light detergent (such as Dawn or mild dish detergent), and two containers should all be on hand.

Water: Fill one of your plastic tubs with soapy water. Only a modest amount of soap will be required. Combine it with the filtered water in a mixing bowl. Put some clean filtered water into the second container.

Clean: Soak the penny in soapy water to clean it. Gently massage the coin from the inside out with a soft-bristled toothbrush, a gentle cloth, or your fingertips.

Rinse: In the second container, wash the clean coin. If hot water is required, do so before washing in clean distilled water. A final wash in filtered water is recommended.

Dry: Using the towel, gently dry the coin. Allow it to air dry entirely on the towel. It should not be stacked with other coins. Pat the coins dry gently, avoiding rubbing them.

How to clean rusted copper coins that have turned green?

When copper is exposed to oxygen, it becomes green, yellow, or even black. This may happen at any moment, not just after a long period of time! Copper coins often become brown before finally becoming green. That greening (called tarnish) will eventually become blue over a lengthy period of time.

Copper-based items, such as pennies, maybe readily amended once they have rusted. To clean copper coins, follow these steps:

  • In a non-metallic dish, combine 14 cups vinegar and 1 teaspoon salt. Mix until all of the salt has dissolved.
  • For approximately 5 minutes, drop the coins into the mixture.
  • Scrub the coin with a soft cloth or a soft-bristled brush if necessary.
  • Wash the coin well with warm water.
  • Dry the coin with a paper towel.

Use the cleaning process outlined above in the silver coin section if you feel your copper coin is valuable.

Corroded Coins: How To Clean Them At Home?

You may be thinking about how to repair rusty coins at home if you have a unique collection, some pennies that may become important in the future, or just some spare change that has developed a peculiar film.

When the elements in coins come into touch with oxygen, chemicals, or even our own lubricants, rust or corrosion occurs. Some kinds of rust are irreversible, leaving holes and marks on the coins’ surfaces. Other forms of corrosion just harm the coins’ surfaces, which are readily cleaned.

Cleaning valuable coins is more difficult than cleaning regular coins. Cleaning unique coins is really discouraged by most coin collectors since it may do more damage than benefit. Before attempting to clean a collectable coin at home, consult a collector or specialist.

If you have a gold coin, clean it using the Do It Yourself (DIY) technique indicated below.

Let’s go through the best ways to clean silver, gold and copper coins.

Baking soda is a common and easy way for cleaning coins at home.

Here’s a quick and easy method for cleaning rusted coins at home:

  • Wet and clean the coin completely with safe water – do not entirely submerge it in water. 
  • Scrape off any dirt or debris with a fine-bristle toothbrush as needed.
  • Wet the coin and roll it in baking soda.
  • Scrape the corrosion away with the toothbrush you used earlier. 
  • Scrape in circular strokes to loosen the filth that has accumulated.
  • Rinse the coin rather than soak it. To ensure that all of the sodium bicarbonate is gone, use a cloth.
  • Rep steps until the rust are completely gone.
  • Make sure the coin is completely dry before handling it.

What causes coins to corrode?

Silver coins will rust due to the fact that they are seldom 100 percent silver. When pure silver is exposed to water, air, grease, or other potentially polluting substances, it reacts with sulfur to form the black silver sulfide coating. The metals that make up silver coins rust as a result of humidity, oil, and warmth from the hands that touch them.

As the cu2o inside the coin reacts with oxygen, it corrodes. When a metal comes into touch with water, oils (such as those from your palms), temperature, or even pollutants from the atmosphere, the rusting process begins.

Is it possible to pay using corroded coins?

Some merchants refuse to accept coins that have become so rusted that they are no longer recognizable. Most banks, however, will accept tarnished coins!

Use one of the cleaning procedures indicated above until the money can be recognized if your coins have rusted beyond identification.

How can you keep your coins from corroding?

The greatest approach to keep coins from eroding is to make sure they’re handled and stored properly. Only hold your coin by the third side, often known as the edge, while handling it. Handle unusual coins with gloves if at all feasible.

When it comes to keeping your money, you want to be sure it’ll last as long as possible. If possible, keep them in a darkened, sealed box where no air may get to them. If that’s not an option, put them in a sealed jar like plastic Pyrex or another kind of closed container. Keep your coinage out of the sun and out of the direct sun.

Rather than dropping coins into a huge pile, keep them separated. Coin flips are a great way to keep your coin collection organized. To keep the coin in a safe book or case, coin flippers utilize rubber, polymer, non-plastic, and flips (or mylar). This protects the coin from temperature, grease, and humidity while still allowing you to see it.

Do not split a collection when delivering coins to a collector or dealer. Put them in flips or a box if they’re already there! When it comes to cleaning coins at home, there are a few things to avoid. While there are some ways for cleaning your coins at home on the internet, some methods may really do more damage than good!

The following are things to avoid while cleaning your coins at home:

  • Never clean your coins with acids or an acidic cleaning agent.
  • Bleach should not be used on metal.
  • To clean, avoid using a hard bristle or wire brush.
  • Lime is often mentioned, but don’t use acid to clean your coins.
  • Do not polish your coins using metal polish.
  • Use no lubricants or gels to protect the coins, since this will degrade their quality over time.
  • Never polish coins that are exceedingly ancient or antique.

How to Clean Old Coins Correctly?

Few methods of cleaning coins are described below:

Method #1:

  • Combine 1 cup vinegar (or lime juice) and 1 tsp salt in a container. Stir constantly until the salt is completely dissolved.
  • Fill the plastic container halfway with the solution. There should be enough liquid in the container for pennies resting flat on the base to be entirely immersed (if not, add more liquid).
  • Place the coins in a layer, such that none of them contact. Allow 15 minutes to pass.
  • The coins should be glossy once you remove them and clean them with a microfiber cloth towel. If the brown oxidation layer persists, put the coins in the dish and soak for another 5 minutes.

Method #2: 

  • Make a paste with a tiny quantity of water and a spoonful of sodium bicarbonate for a more hands-on approach to coin cleaning.
  • Allow your children to apply the mixture on each penny with a toothbrush, gently scraping it in. To uncover the coins’ now-shiny surfaces, wash them.

Method #3: 

  • Pour a 1-inch layer of warm water into the plastic container. Activate the water with a spritz of dish detergent and stir it to produce bubbles.
  • Add the coins and massage them all together until they are glossy. After rinsing with warm water, pat dry.
Materials Needed
Plastic container
Dishwashing detergent
Warm water

Frequently Asked Questions(FAQs), “How to remove rust from coins?”

How does vinegar remove rusty coins?

Vinegar. The acetic acid in white vinegar, which is a popular component in DIY eco-friendly cleansers, will help erode away the contaminants on your coins. Immerse your coins for at least 30 min, up to overnight, in a glass or other non-corrosive container, then wipe with a clean cloth or scrape carefully with a used toothbrush.

Does Coke remove rust from coins?

The active element in Coke is phosphoric acid, which cleans the coins. Allowing it to rest for too long, though, may harm the surface (and hence the value) of your coins. Do everything in proportion, just like in life, and you’ll be alright!

How do professionals clean coins?

These coins are cleaned in a vibrating jar with filtered water and a tiny bit of detergent. Acid-based cleansers chip away at the surface of a coin, lowering its value.

Do baking soda and vinegar clean coins?

Scrub your soap-washed, vinegar-soaked pennies with baking soda if they still need cleaning. Sodium bicarbonate is a soft abrasive that can reach into the smallest crevices of coins to buff away the final traces of filth and tarnish.

How do you clean buried coins?

Cleaning trash and other common findings have never been easier. Put your coins in a stone tumbler with a tiny quantity of pet shop fish gravel. Toss in a little vinegar, salt, and lime juice, and start tumbling. It simply takes 30-60 minutes to see a significant change.

How do you clean silver coins without damaging them?

  • To a glass of warm filtered water, add a small amount of mild soap (not detergent). 
  • Place the coins carefully in the water and let them soak for a few hours, turning them over every several hours. 
  • This is the only approach to clean silver-plated coins that is proven to be safe.


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