Bosco's right, you're seeing the normal process of bottle conditioned beers, both homebrew and commercial ones. What's happening in your bottles is happening to that expensive Belgian Quad that someone on here is planning to harvest the yeast from after drinking the beer. Or that bottle of Bell's Amber, or Hoegaarden, or Jolly Pumpkin (for sour dregs.)
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Revvy's one of the cool reverends. He has a Harley and a t-shirt that says on the back "If you can read this, the bitch was Raptured. - Madman
I gotta tell ya, just between us girls, that Revvy is HOT. Very tall, gorgeous grey hair and a terrific smile. He's very good looking in person, with a charismatic personality... he drives like a ****ing maniac! - YooperBrew