A device used to prevent back flow of external air into the fermentor.

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4
votes
5answers
26k views

How do I avoid airlock foam overflow? Does it affect the fermentation process?

During my last small batch brew, American Wheat from Northern Brewer, I came home to find that the foam in the 1 gallon carboy had overflowed the three-piece air lock (which was a mess to clean out). ...
0
votes
2answers
3k views

First Time Airlock Won't Start

EDIT: I see from this post and from elsewhere on the Web that a bubbling airlock is apparently not an indicator for fermentation, as there could be a leaky lid. Regardless, doesn't a non-bubbling ...
10
votes
5answers
3k views

No bubbles in the airlock - should I still bottle the brew?

I'm attempting my first brew using a kit with all the provided ingredients (it's a lager). My brew is still in the big tub and has been there for about 2 weeks now. Initial SG was 1.040 and it's now ...
9
votes
2answers
4k views

Will it harm my wine to shake the container?

This is probably a really dumb question, but is it bad to shake or swirl the container my wine is in to encourage the release of CO2? I accidentally found out that jarring the container results in ...
8
votes
4answers
4k views

Airlock: vodka, water, or

I've just started making my first brew, and am using vodka in the airlock, but am hoping for some more detailed info about what is best practice, or if there is not really any difference between using ...
1
vote
1answer
5k views

How to tell if a cider is finished without hydrometer

EDITED I have a cider that I have made following the steps on CraigTube for his Hard Apple Cider. The only difference is that I have used Champagne yeast and the batch is 22L. I know you are all ...
3
votes
1answer
811 views

Fruit Flies in Airlock. How can I Test if Mead is Okay?

In short After approximately 5.5 month my airlock full of vodka has lost 60% of its volume and now has trapped a couple dozen of fruit flies. Should I be concerned for my batch of Mead? What methods ...
2
votes
4answers
3k views

I forgot to put water in the airlock! What do I do now?

I did my first brew (all grain), some things were complicated to achieve and finished at 4 o'clock in the morning because I decided to start at 10 pm (big mistake). At the end of it all, after I ...
2
votes
2answers
904 views

3 Piece Airlock without Liquid

I was talking with a fellow brewer who has been brewing for many years and found out that he does not put any liquid in his 3 piece airlocks. He claims that next to nothing can get in even without the ...
1
vote
2answers
2k views

Murky beer, no bubbles in airlock?

we are fairly new to brewing and are attempting to make a Raspberry Tart Ale (based on a wheat DME). The beer has been in the carboy for 8 days now and is very, very murky and there aren't any bubbles ...
1
vote
1answer
250 views

How to Sterilize Bung and Hole while Maintaining a Strong Seal?

How do you sanitize and prepare a bung for stopping a carboy? While making sure that it will maintain a good seal and not POP off sometime later. In depth I removed and sterilized my bung and ...
0
votes
2answers
207 views

Bubbles restart after 1 month?

i've done 4 batches one month ago, one per day, day after day. My batches now are of 60L, and I use 2 30L fermenters for each batch. 2 of the 4 batches are the "same recipe", so I have 4 fermenters ...