19 Mar
2010
Posted in: Home Brewing
By    1 Comment

Home Brewing, Answers to Why Airlock Stopped Bubbling After a Day

Alright, if you read my recent post you will have seen that the airlock on my fermenter was bubbling great for about a day straight, then seemed to stop completely. After much worrying, and thinking that I lost the batch of beer, here is the answer why!

I have been in contact with brewcraft a little about this. They said its nothing to worry about, the beer will turn out 100% OK!!! As for the airlock not bubbling, these plastic buckets don’t have the best seals on them. At first glance it would seem that the bucket is sealed fine, because when you push down slightly on the lid, of the fermenter, the air pressure in the bucket rises a little causing the water level in the airlock to move a little.

The way I figured out that there was a very slow leak was when I pushed down the lid a little, the water in the air lock moved a bit, and I held the lid down in that positions without moving for about 10 seconds. I noticed that the water level in the airlock started to balance itself out again. If there was a perfectly tight seal and no air leeks, the water level in the airlock should have stayed exactly where it was while pushing down on the lid. It adjusted itself because of the loss of pressure in the fermenter.

I hope this helps with anyone else home brewing. In the end, it doesn’t sound like it is anything to worry about though, and your beer should be just fine!

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So, what do you think?