Shining pennies with vinegar is an easy and efficient method to restore their shine and luster. Pennies are manufactured from copper, which tarnishes over time when uncovered to air and moisture. This tarnishing course of creates a darkish, uninteresting layer on the floor of the penny, obscuring its authentic shine. Vinegar is a gentle acid that helps to dissolve the tarnish, revealing the intense copper beneath.
To shine pennies with vinegar, you will have:
