Apple Cider Vinegar
Apple cider vinegar is a little-known liquid that can make coins shiny and bring back their luster. The acidic properties of the vinegar eats through dirt and gunk on a coin. The best way to utilize apple cider vinegar is to pour a bit of vinegar into a small bowl or container and then drop a coin in. Watch the coin for a few minutes as the gunk is removed, then remove the coin and polish it with a soft cloth to remove the excess vinegar.
Cola Soda
Cola sodas can be used to easily and automatically clean coins. Get a small plate or container and pour some cola into it. Drop a few coins into the cola and let them soak for a little while. In a short time, remove the coins from the cola and rub with a soft cloth. The coin will be shiny and clean and have a bright luster.
Cranberry Juice
Cranberry juice is another little-known coin cleaner. Set a little dish out and pour a bit of cranberry juice in it and let your coin sit in it overnight. The next day, remove the coin and wipe off the juice residue. Thanks to the cleansing properties of cranberries, the coin should look new and shiny.
Lemon Juice and Salt
To make this cleaning solution, mix a bit of lemon juice and salt together in a small and shallow dish. This can be used to clean coins automatically without rubbing. Drop a coin into the dish and wait a couple of minutes, then remove the coin. Clean the excess juice residue off the coin with a clean cloth. The coin should now be shiny and clean. Do not leave the coin in the mixture overnight or it will turn black.