Homemade Jewelry Cleaner 1 tablespoon salt 1 tablespoon baking soda 1 tablespoon dish detergent 1 cup water 1 piece aluminum foil 1. Heat water in the microwave for 1 min. 2. Cut a piece of foil that roughly covers the bottom of a small bowl. 3. Pour hot water into bowl. Put salt, soda, & liquid soap into bowl. Place jewelry on top of foil and let it sit for 5-10 min. Rinse jewelry in cool water and dry completely. Discard solution after use.