If you’re like most people, you probably just chuck your pennies into the trash after you’ve used them. But there are actually a few ways to clean pennies that can be really helpful in keeping your environment clean and healthy. The first way to clean pennies is to use a penny washer. This is a small machine that uses water and soap to wash the pennies. This method is good for cleaning coins, but it’s not very effective at cleaning the metal surfaces of the penny. The second way to clean pennies is to use a penny scrubber. This is a tool that looks like a brush and has bristles on one side. You can use this tool to scrub the surface of the penny clean. This method is good for cleaning coins, but it’s not very effective at cleaning the metal surfaces of the penny. The final way to clean pennies is to use boiling water. Boil some water and pour it over the pennies until they’re covered. Let them sit for about two minutes, and then remove them with a spoon or tongs. This method is good for cleaning coins, but it’s not very effective at cleaning the metal surfaces of the penny. ..