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