dumb de dumb de dumb--all it does is clean and is a great oxidizer for iron stains too. Jus' yet another old womans tale with no base in reality-tons a au 2 u 2 -John
In gold jewelry, chlorine can and will react with the silver, nickle, and copper mixed with the gold. Chlorine may react with electrum, but for the most part your nuggets are safe.