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<p>[QUOTE=&quot;SorenCoins, post: 4658728, member: 73708&quot;]I also noticed that a lot of the coins are already as cleaned as they will be. You&#039;re not throwing any cold water. I am still going to keep this thread running to show my efforts in cleaning and identifying any and all that I can. I thought about electrolysis, but I did not think that these two needed it yet. I could have been wrong. After soaking these, I will probably try to use electrolysis with these. I have a few solutes that would work, but I have not considered which are too corrosive. Salt / NaCl would definitely be too much, especially since it turns the water yellow from chlorine. If the tap water can start bronze disease, this definitely will! Is sodium bicarbonate an acceptable solute? I watched a video on YouTube showing electrolysis on some Roman coins, but it totally stripped the patina. I will definitely check that link you sent out![/QUOTE]</p><p><br /></p>

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