jmm20010

Recipes 

I brewed morebeers Fire In The Hole beer and pitched the yeast it got a nice krausen but only for 1 day. After 2 hours the krausen was completely gone and the bubbler hasn't bubbled once in 3 days and it the floating airlock piece is sitting on the bottom like the beer isn't producing ANY CO2.

progmac

Recipes 

take a gravity reading, let us know where it's at

Revvy

Recipes 

This is the ONLY answer. An airlock is just a vent, a valve to release excess co2. It's not a fermentation gauge. Sometimes they don't bubble. It doesn't anything.

Clearly since you have krausen you have fermentaion. Take a gravity reading and it will tell you that everything is fine.

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Homercidal

Recipes 

What is the ambient air temp where the fermenter is? Fermenting warm will make the yeast work very fast. What was the Original Gravity? Lower gravity beers will finish faster. What was the yeast strain? Some yeasts work quicker than others...

Lastly, measure the gravity. You have no idea how much fermentation has taken place, and how much is left to go until you do that.