How to Clean Silver with Homemade Tarnish Remover

Updated on April 5, 2016

Tarnished Silver: Why it Happens

Silver is elegant and beautiful, but it also has a rather unsightly problem: tarnish. Silver tarnishes because it reacts with sulfur in the atmosphere and forms a compound called silver sulfide. Silver sulfide is black, and is the ugly coating that develops over time on silver jewelry, dishes, and silverware. To prevent this problem, some silver items are coated with a very thin layer of another metal (often rhodium) to prevent the natural oxidation process that occurs when silver meets sulfur in the air.

The official chemical process for creating silver tarnish is:

H2S + 2Ag --> Ag2S + H2

Hydrogen sulfide gas makes contact with silver, creating the silver sulfide tarnish and hydrogen gas.

A Cheap and Effective Way to Clean Silver

Aluminum foil, hot water, and baking soda make an extremely effective solution to remove tarnish from silver.
Aluminum foil, hot water, and baking soda make an extremely effective solution to remove tarnish from silver. | Source

Removing Silver Tarnish: Better Living Through Chemistry

There are technically two ways to remove silver sulfide from silver objects. The first is through physical force - while this may be effective, it often damages the silver item and leaves ugly scratches on the surface.

A better method is to use chemistry to remove the silver sulfide from the object in question. Since the silver is oxidized, you need a reducing agent to return the blackened silver sulfide to shiny, metallic silver. Aluminum is a wonderful reducing agent, and comes in the convenient (and affordable) form of aluminum foil. For those interested in the chemical reaction, the process is:

3Ag2S + 2Al --> 6Ag + Al2S3

Silver sulfide + aluminum reacts to form silver + aluminum sulfide.

Unfortunately, you cannot simply place a silver item on top of aluminum foil and add hot water to start the reduction process - another agent is needed to help the chemical reaction along.

Since aluminum foil is coated with aluminum hydroxide, sodium bicarbonate is require to eliminate the film, so that the aluminum metal is exposed. Adding the sodium bicarbonate to the water also ionizes the solution, which helps to speed the reduction process.


Cleaning Silver with Foil and Baking Soda

Tarnished silver is easy to clean with hot water, aluminum foil, and baking soda!
Tarnished silver is easy to clean with hot water, aluminum foil, and baking soda! | Source

Cleaning Silver: The Basic Steps

Cleaning silver requires a few items:

  • Inert basin or bowl (i.e. a plastic or glass container or sink)
  • Aluminum foil
  • Sodium bicarbonate (also known as baking soda)
  • Boiling water

Add about a gallon of boiling (or very hot) water to the inert basin. In the video above, I used our plastic kitchen sink. Use plastic or glass as the reaction vessel: if you have a stainless steel sink, find another place to do your silver cleaning.

Add one cup of baking soda to the hot water solution and stir until dissolved. Place a sheet of aluminum foil at the bottom of the sink. Place the silver object in the sink and wait for a few minutes as the tarnish begins to disappear.

For very heavily tarnished items, the process may need to be repeated more than once. When the silver object is removed from the hot water bath, simply wipe the item with a dry, soft cloth. This will help to wipe off any excess tarnish sitting on the surface of the object.

In the video above, the bowls were extremely tarnished and took two "baths" in the sodium bicarbonate/aluminum foil solution. After wiping with a dry cloth, the bowls were returned to a shiny, silver state.

A Few Cautionary Notes

  • Removing silver tarnish will eliminate the silver sulfide (black film) that develops on all silver objects, but it will not remove dirt or oil from the item. Wash your silver prior to removing the tarnish to get the best results.
  • The aluminum foil/baking soda method works very well with silver. The higher the purity of the silver, the better the results will be. Unfortunately, this method does not work well with tarnished brass or copper - other methods are required for cleaning those oxidized metals.
  • For highly valued silver coins, contact a professional prior to performing any cleaning: you do not want to devalue a rare coin by cleaning it the wrong way (or by cleaning it at all)! For very high-value items, let a professional do the work!

Questions & Answers

  • Would this tarnish remover process affect the diamond in my silver ring? Is it still advisable to do this?

    This process should not affect the diamond in your ring in any way. If the ring is extremely valuable and antique, I would take the jewelry to a professional jeweler to have it cleaned.

Comments

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    • leahlefler profile imageAUTHOR

      Leah Lefler 

      6 months ago from Western New York

      It really does work, RLaMarr! Of course, heavy tarnish will take more than one treatment. I have a silver-plated tureen given to me for my wedding and it becomes tarnished very easily. I have to treat it about twice per year, but it is maintaining its gleam!

    • profile image

      RLaMarr 

      6 months ago

      I always wear a sterling silver chain, unfortunately I had a skin infection that required that I apply a sulfa ointment to my neck and chest. This caused my chain to become heavily tarnished. I've used this treatment twice and will need to do it again, but each time the tarnish has lessened so the treatment is working.

    • profile image

      Taylor 

      10 months ago

      Found a lot of pins from Pinterest recommending this for tarnished silver costume jewelry. I was SO excited, followed the instructions to a tea. Unfortunately, every single piece of my jewelry is ruined. I have NO idea why? I'm so sad I'm searching Pinterest now to see if I can find another solution as my current wedding rings are also ruined (unfortunately lost my rings during pregnancy so wearing a pretend diamond for now)....Just would recommend using a test piece!!!!

    • leahlefler profile imageAUTHOR

      Leah Lefler 

      5 years ago from Western New York

      Yes - you would never want to remove the finish from a valuable antique. You could destroy its value! I have two silver dishes (modern dishes) that I clean myself - if I had anything of value, I would get a professional to do it. Excellent point, Weldon Jewellers.

    • Weldon Jewellers profile image

      Weldon Jewellers 

      5 years ago from Ireland

      great hub, and your point is well made about rare or antique pieces: never clean them unless you have received professional advice! it's very east to harm the patination and devalue the item.

    • leahlefler profile imageAUTHOR

      Leah Lefler 

      6 years ago from Western New York

      I only own a few silver items, Thelma (mostly silver plate, though some are pure silver). I was excited to discover this method of removing the tarnish, because it doesn't involve any toxic chemicals, and is pretty easy to do!

    • Thelma Alberts profile image

      Thelma Alberts 

      6 years ago from Germany

      Eureka! Now I´ve found it! How to remove the tarnish out of my silver. I have been looking for the way I could get off the tarnish. I´ll apply this to my silver. Very well done. Thanks for sharing. Voted up and useful.

    • leahlefler profile imageAUTHOR

      Leah Lefler 

      6 years ago from Western New York

      It really works well, bellahurst. Just make sure the silver is in contact with the aluminum foil and use hot water. You may have to buff with a soft towel to get the residual tarnish off (it will be loose, but still on the dish). It is interesting to smell the sulfur as the solution does its work!

    • bellahurst profile image

      bellahurst 

      6 years ago from Australia

      Really useful. I really need an effective method to clean my silver stuff. Thanks for sharing this information.

    • leahlefler profile imageAUTHOR

      Leah Lefler 

      6 years ago from Western New York

      Thanks, friend! I don't own many silver things, but we do have the silver plated dishes and I own a very old silver baby spoon. It's an easy way to remove tarnish without scratching the silver!

    • hi friend profile image

      hi friend 

      6 years ago from India

      very useful and informative

    • leahlefler profile imageAUTHOR

      Leah Lefler 

      6 years ago from Western New York

      Thanks, Peggy! It really does work - I have some jewelry that I need to clean up. I doubt I will get to it today, but it is a simple process to perform.

    • Peggy W profile image

      Peggy Woods 

      6 years ago from Houston, Texas

      Hi Leah,

      I had heard about this a long time ago and had forgotten about it. Thanks for the reminder and explanation of why it works. Nice touch actually showing the process with your video. Voted up and useful.

    • leahlefler profile imageAUTHOR

      Leah Lefler 

      6 years ago from Western New York

      Thanks, Dirt Farmer! The method is really easy to employ, and completely non-toxic.

    • The Dirt Farmer profile image

      Jill Spencer 

      6 years ago from United States

      Very, very helpful! Vote up & useful.

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