Precautions:
When washing gold ornaments, first put the gold ornaments into the container, then add water to the container, then add a small amount of ammonia water, then tighten the lid, shake it back and forth vigorously, and then take it out to dry. When wearing gold jewelry, you should also maintain the hasp switch. When the surface of gold ornaments is stained with dirt, it will darken the color. At this time, the developing powder for developing photos can be mixed with warm water at 30-40℃ to make a developing solution.
Dilute with twice the water, soak the gold jewelry with dirt for 4-6 minutes, then brush it off with a soft brush and rinse it with clear water several times. If you dip fine woolen cloth in nail polish, gold jewelry will be brighter.