The purported process of leaching out surface lead from brass is called "pickling" and you can find threads on HBT discussing it. And you can also find articles on the web that claim pickling really isn't very effective.
Otherwise, it's not the alcohol in beer that's a problem with brass, it's the acidity. pH in the 4s will eat up all kinds of stuff...
Cheers!
Otherwise, it's not the alcohol in beer that's a problem with brass, it's the acidity. pH in the 4s will eat up all kinds of stuff...
Cheers!