Ketchup can clean copper because it contains vinegar, a mild acid that removes oxidized layers from the metal. This method works best for small copper areas, but it’s not ideal for porous surfaces or ...

This condiment has a lot of cleaning power.

If you were to come across a cleaning video of someone smearing ketchup onto a dull copper pan, you'd probably stop swiping. According to the social media trend, ketchup can help clean certain metals, ...