I got a bunch of brass for free today. A little over 200 30-06 and .308 once fired. I, let's face it, foolishly dumped all of it into my RCBS vibratory cleaner, and a bunch of <span style="font-style: italic"><span style="font-weight: bold">old</span></span> corn cob media, because it was all that I had on hand. Let it run for about 3 hours, and when I checked it, I couldn't believe what I saw. The brass looks worse now than ever! Much of it was fairly bright and shiny. Now, all of it is dull grey, and almost looks as if it is pitted! What the hell happened, and can I fix it? I plan to get some walnut media as soon as I can get out from the blizzard.