On my first attempted batch of mead, I ran into a wierd problem and now it appears to be happening again. In my first batch of mead, I psuedo-boiled my honey, nutrient,etc and then let it cool. I tried to get as much air into the must before i pitched the yeast, by swirling and shaking it in the bottle. I pitched a batch of Lavin D-47, after letting it happily rehydrate. I put in the fermentation lock and let it murk. Several days later, nothing no bubbles, no bubbling, nothing. I checked the fermentation lock and it looked clear and ok. Getting slightly frantic I swirled it a little and got a few bubbles. I swirled it more and got Mt St Helens in my basement. Must and stuff everywhere. Huge mess. After I cleaned the fermentation lock and replaced it, the batch happily bubbled and murked to completion. Sadly, I just pitched my second batch 4 days ago and its doing the same thing. Any clues as to why the volcano and how I could prevent it??