Originally Posted by Theis
Krausen clogs up the airlock and pressure builds up until the lid blows off = big mess. Everyone has it happen to them at least once.
True, that. I was lucky when it first happened to me (in our previous house) - I had set the ferment bucket in the guest shower, which was tiled from floor to ceiling. When the lid blew it only sprayed the tile and so it was easy to clean.
So now you know what they mean when they say "You know you're a homebrewer if you've ever mopped your ceiling".