Stinky proven way on silver is: Place coin on foil, gob of spit, wrap, hold, gets hotter than a pepper, stinky, egg/beer fart, unwrap, rinse, repeat if not liking the result.
Now why I say spit? Seems to have the properties water doesn't, maybe the PH levels in the spit.
Now why I say spit? Seems to have the properties water doesn't, maybe the PH levels in the spit.
