1. If silver turns black due to oxidation, a clean piece can be prepared, which will react with black oxide without scrubbing with alcohol or ammonia. This method is mild.

2, you can make cola, because the ingredient of cola is carbonic acid, which is more suitable for silver with many lines.

3. Take a small amount of toothpaste with a waste toothbrush and brush it repeatedly in a dark place until the surface of the silver jewelry is as clean as new, and then wash it with water. This method is very effective in cleaning collars and flowerless bracelets, but it is not recommended if it is used to clean carved or carved silver ornaments.

4, you can buy a special silver paper to wipe.

You can buy a bottle of silver washing water from the chemical store, soak the silver in the silver washing water for 2 seconds and rinse it clean.