If your grill is dirty enough, you may end up causing a fire that will burn through the enclosure (I've seen it happen). It's also fairly polluting, so if anyo

If your grill is dirty enough, you may end up causing a fire that will burn through the enclosure (I've seen it happen). It's also fairly polluting, so if anyone's outside it's best to clean some other way. I like the onion trick myself.