Has anyone removed tarnish from Gallo tweeter?

I have Gallo Reference III and the tweeter looks really bad with tarnish, some fingerprints etc.

wojtekm102-15-2006 5:50pm

joebone Details Discussions Posts This discussion Message User 3 posts 09-12-2006 at 07:55pm Copy Comment URL Report Comment Edit Delete SO, the big questions: is there any reason to believe this tarnish/patina thing affects the performance or longevity of these tweeters?