If the sterling silver name necklace you bought turns green or black, the following three DIY methods at home can easily solve the problem.
Method 1: Aluminum foil+baking soda/salt+hot water
Prepare a bowl, put a small piece of aluminum foil and a spoon of salt, add hot water, soak the sterling silver necklace in there and take it out when it turns white, wipe it clean with a soft cloth.
Method 2: Toothpaste
Apply toothpaste to silver jewelry and wipe with a toothbrush or soft cloth, rinse clean in water.
Method 3: Coca Cola
Pour Coca-Cola into a bowl, soak the silver jewelry for 10 minutes, remove and wipe it clean with a damp cloth.
Method 1 works best, choose which way to use according to your convenience.