My shop stocks Biox which is a fluid that was designed for the express purpose of removing verdigris from artifacts. No need to worry about some guy's voodoo garage chemistry and cheaper at that.
http://dirtyoldcoins.com/shop/Uncle...n-Coins.html
Biox is a bit of an exotic substance but you can see a more thorough writeup from this company (I have no affiliation):
http://www.divexglobal.com/capabili...ical-cleaner
Ras
http://dirtyoldcoins.com/shop/Uncle...n-Coins.html
Biox is a bit of an exotic substance but you can see a more thorough writeup from this company (I have no affiliation):
http://www.divexglobal.com/capabili...ical-cleaner
Ras


















