AngelicStorm said:
I recently tried to clean several buffalo nickels with the Bartenders Keeper/Vinegar/Pea Gravel combination to find cleaned pitted up coins after only an hour or so, but with enough details to make them worthy of putting them in flips. My question is what % of hydrogen peroxide do you use if you use it? I also like the idea of using a dremel and have been looking into getting one as I occasionally get quiet a few coins with hard stuff built up on them such as black buildup on pennies.
I tried the Barkeepers Friend on some wheats, and it cleaned em up so that they looked like they were just minted. I put about an inch of water in a shallow dish add a little Barkeepers, stir, add the pennys and let them sit for a day or two. That will clean the oxydation off with no scrubbing, but I didn't like that method, because it will also completely remove all of the patina, and they will look like new coins. I'm gonna try the vinegar, lemon juice, salt, stainless brush method on some nickels and see if it won't remove that black "gunk".