2022. 7. 9. · White distilled vinegar in a glass or enamel bowl can brighten lightly tarnished silver in between foil cleanings for heavier tarnish. Add baking soda for extra cleaning power. Let the silver sit for a couple of hours in the mixture before rinsing and buffing dry. Use ketchup in a jiffy to clean light tarnish; the acid in ketchup will remove. 2017. 11. 23. · It even removes some of the silver itself during the abrasive process of polishing, according to the University of Wisconsin chemistry department. How to clean your silver jewelry in a snap Sept.