<a href=showthread.php?s=&postid=15409299#post15409299 target=_blank>Originally posted</a> by Skeptic_07 The should come off with some RO water and a paper towel. If they are really bad, white vinegar and water solution should do the trick. Dry the reflector off before you use it.
I would second the suggestion. I might add that, I would advise against using the cheaper "scratchy" paper towels. They scratch the delicate reflective aluminum before you know it. Get the soft, cuddly kind.