How to treat a tarnished ring
If your ring is tarnished or is being black, it is sterling silver or silver plated. Tarnish is a common reaction when silver is exposed to air and fortunately can be easily removed. However, if you store your silver rings on a lined jewelry box or bag made for silver jewelry will not have to clean as often tarnished jewelry.
Clean the ring with soap and water to remove stains Use a toothbrush or soft cloth to carefully rub the ring black. Use about 1/2 cup of water mixed with two or three drops of liquid dish detergent. Rinse the ring with cool water and dry with a clean cloth. If the ring is still tarnished continues with one of the following steps.
Remove the black ring with a cleaner or polish the silver jewelry . If you have the cloth that comes with the product, use a soft, lint-free cloth. You just have to use a little bit cleaner and rub the tarnished with the cloth. If you have a polishing cloth pretreated with silver cleaner, no need to use a separate product. Note that, according to the Seattle Times, silver cleaners are acids, so you should not put your jewelry soak in these products. Rinse the ring with cool water and dry with a clean cloth separately.
Mix baking soda and water to form a paste, which also works well to remove the black spots of silver jewelry and can be used to impersonate a cleaning product commercial . According to the Good Housekeeping website, you must use three parts baking soda to one part water . Place a pinch of dough into a clean, soft cloth and rub it on the jewelry. As black spot that is transferred to the cloth, apply another quantity of the mixture into a clean area of the cloth and continue working. Pule ring with a clean rag when finished.