How can I restore the shine to dull pennies?

Here's a good tutorial for you: https://www.youtube.com/watch?v=LYAC7lYC9xY

Hi Kathy, hope this information helps you clean your penny's. Good luck with your project. For many pennies, one tablespoon (15 g) of salt in 1/2 cup (4 oz) of vinegar will get the job done. Stir the mixture to dissolve the salt. If you don't have vinegar, use lemon or even orange juice. Copper oxide (the gunk on your pennies) dissolves in weak acid, and that's just what all three of these liquids are.Sep 26, 2019

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5 Easy Ways to Clean Pennies - wikiHow

Glass bowl with 1/2 cup vinegar and 2 teaspoons of salt. Stir. Dip in the penny. Wash and dry.

Put them in a bowl and cover them with ketchup. After an hour or so take them out, rinse, scrub with a toothbrush if necessary.

Vinegar and a bit of salt will work every time. Mix depending on how much you need. About a cup of vinegar and a tablespoon of salt. Let the coins soak in the solution to make your pennies shine. They may not all turn out the same.

For many pennies, one tablespoon (15 g) of salt in 1/2 cup (4 oz) of vinegar will get the job done. Stir the mixture to dissolve the salt. If you don't have vinegar, use lemon or even orange juice. Copper oxide (the gunk on your pennies) dissolves in weak acid, and that's just what all three of these liquids are

Hi Kathy,

Soak them in Coke Cola overnight............WOW!

If you use the bathroom cleaner in full strength from Norwex - it makes pennies look like new!!! https://www.youtube.com/watch?v=WKdJoQQViHM

Buy it here (its not "blue diamond" anymore) https://maurawhite.norwex.biz/en_US/customer/shop/product-detail/508364

Hope this helps!

https://www.wikihow.com/Clean-Pennies

In elementary school we did baking soda and vinegar!

Hi ! Ketchup works well !😊

Copper cleaner