Posted by Russ/Wyos [172.68.34.115] on Saturday, February 18, 2017 at 19:30:48 :
In Reply to: Chemically Cleaning Brass posted by Greg Coffin [172.68.34.103] on Friday, February 17, 2017 at 23:51:19 :
Or use Brasso, made specifically for cleaning brass. Probably much milder than any acidic cleaner.