I just wanna look hip and cool without the icky cancer side affects.
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I've never had a stuck runoff, so I've never had a reason to use them.
One thing the OP didn't mention is what he's using in his airlock. If it's plain water, I would be more concerned about the wort bubbling though making for a dandy bacteria culture medium that might get sucked back in. If the OP did have plain water in the airlock I would strongly recommend against yanking the thing out, as this could suck contaminated water into the fermenter!
I would recommend that he first use something like a turkey baster to replace the liquid with sanitizer before trying to remove the airlock. When I've had similar problems I've gone to using StarSan at 5X the recommended concentration, just to make sure that the pH doesn't get buffered to a point where the sanitizer is ineffective. +1 on removing the 'x' at the bottom of the airlock. Airlocks are cheap. They also break occasionally. It makes a lot of sense to keep a couple spares on hand. When changing airlocks I place a StarSan wet sponge over the hole.