Heat one cup of water in the microwave for 1-2 minutes.
Cut a piece of aluminum foil that covers the bottom of a small bowl.
Pour the hot water into the bowl.
Place one tablespoon salt, one tablespoon baking soda, and one tablespoon liquid dish detergent into bowl.
Place jewelry on top of the foil and allow to sit for 5-10 minutes.
Rinse jewelry in cool water and dry completely with a soft cloth.