Leuchtturm Coin Cleaning Bath - Silver

Environmentally safe liquid cleaners for instant and gentle removal of oxidation on coins. This product is designed specifically for your silver products. Simply submerge bars or coins 3 to 8 minutes, rinse thoroughly, dry with a soft cloth. 
Environmentally safe liquid cleaners for instant and gentle removal of oxidation on coins.  This product is designed specifically for your silver products. Simply submerge bars or coins 3 to 8 minutes, rinse thoroughly, dry with a soft cloth.  Contains 5.28 fluid ounces (150 mil)

Leuchtturm

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What are the opinions of cleaning coins like this? Should I? Is it ok to use a high quality ultra sonic cleaner? (I have around 100 coins, looking for a fast solution)

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