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Questions tagged [airlock]

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

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2 votes
2 answers
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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 ...
Matthew Moisen's user avatar
14 votes
6 answers
15k 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 ...
Kevin Versfeld's user avatar
11 votes
5 answers
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 ...
Mark McDonald's user avatar
10 votes
5 answers
61k 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). ...
kbjohnson90's user avatar
12 votes
5 answers
14k views

Homemade airlock

I recently moved to a place that doesn't allow brewing equipment to be imported (But it is legal to brew... don't ask me). I've built a lot of my stuff, but I have a question about airlocks. I've come ...
Beaker's user avatar
  • 223
10 votes
2 answers
9k 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 ...
kathryn's user avatar
  • 433
8 votes
4 answers
2k views

Starsan in double bubble airlock keeps getting sucked into fermenter - why and how to prevent?

I did a brew on Saturday and cooled, got in the fermenting bucket and added yeast, added starsan to the chamber in the double bubble airlock and got it under the stairs. Ever since then, the starsan ...
Rich Prag's user avatar
6 votes
1 answer
4k views

airlock ran dry, should I be concerned?

I'm very new to this all, and just bought a noob-starter-kit. I'm using a can for my first brew (to learn the basics) So I just started the brew (Coopers Real Ale) a few days ago. I'm keeping the ...
Kevin Versfeld's user avatar
6 votes
3 answers
3k views

Krausen During Primary

I'm wondering what other peoples' experiences are with krausen at the start of fermentation. I've had some beers that have bubbled along happily without producing huge amounts of foam, and others ...
theraccoonbrew's user avatar
4 votes
2 answers
1k 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 ...
corymathews's user avatar
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4 votes
1 answer
2k 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 ...
Jonnybojangles's user avatar
3 votes
2 answers
762 views

Fermenting bin lid bulging

First time brewing a batch of ale and slightly concerned by a potential explosion! Just walked past the fermenting bin and saw the lid is bulging out slightly, at a guess I'd say the gas isn't ...
AmenoB's user avatar
  • 75
3 votes
1 answer
207 views

Worried about oxidation

I'm brewing my second batch and had a bit of an accident yesterday. I brewed 20l two days ago and when I checked my fermenter (bucket) yesterday it had overflown. I don't know what possessed me to ...
B. Trapp's user avatar
2 votes
1 answer
14k 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 ...
WillNZ's user avatar
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1 vote
2 answers
3k 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 ...
Fizzigig's user avatar
1 vote
1 answer
420 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 ...
Jonnybojangles's user avatar
1 vote
1 answer
451 views

Lager Diacetyl Rest and Lagering Without Air Escape

I've fermented a 5 gallon lager at 45°F(7°C) for 2 weeks. The OG 1.050 and FG 1.012. At this point, I racked to secondary and put back in the airlock & bung. Increasing temperature to 65°F(18°C) ...
nhunsaker's user avatar
0 votes
1 answer
3k views

Should I pitch a second round of yeast?

I brewed a Dogfish Punkn clone that was rather heavy on the sediment. I pitched a pretty healthy yeast starter that was working for 30 hours before being pitched probably around 80 degrees, perhaps ...
g0dluvsugly's user avatar
0 votes
1 answer
219 views

Is Fermentation without airlock possible in bottle?

I added sugar and bread yeast to a bottle(plastic bottle) of juice and it's about 3 days that it's fermentation process got started and I can see a lot of bubbles are coming up. Now the bottle is ...
Mahyar Shokraeian's user avatar
0 votes
2 answers
477 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 ...
jards's user avatar
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