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

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40 views

Wine time frame?

I set a 1gallon shiraz kit going this afternoon, this is my first wine. I have sealed the demijon with a bung and put an airlock in. After 4 hours, I have yet to see a single bubble come through the ...
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3answers
169 views

Fast Fermentation - Should I be worried?

Just did my first batch using the fast ferment conical fermenter. Brewed an extract kit from Northern Brewer....their Smashing Pumpkin Ale. It's a 1.054 OG brew and I used a dry yeast to ferment. ...
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3answers
141 views

Filtering air intake during cold crash

I'm thinking of cold crashing my current brew, but I am not comfortable with the idea of allowing sanitizer to be sucked in, and I'm not happy with foil I have heard that maybe there are micro foam ...
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4answers
6k views

filling the airlock

I'm brewing my first batch ever, and got a little worried that it wasn't bubbling after 24 hours as the instructions said it should. I've read a lot on here that says not to worry about a bubbling ...
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2answers
342 views

Overflowing Airlock and Contamination

I use a Raspberry Pi with water-proof temperature probes to monitor the temperature of my fermenting wort, and I feed the probe through the airlock to make direct contact with the wort. Two out of my ...
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543 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 ...
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2answers
182 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 ...
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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 ...
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22 views

Lager Diacetyl Rest and Lagering Without Air Escape

I've fermented a 5 gallon lager at 45 F 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 for 2 days. ...
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1answer
53 views

Why is my pre yeast pitch lager bubbling in the fridge?

I have been placing my lager wort in the fridge overnight to get down to my desired pitch temp. This time I opened the fridge to see my airlock bubbling... I understand about possibility of ...
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67 views

I have a problem with my Airlock

The lid on my airlock has no holes in the top! Do I still make sure the lid is firmly all the way down ?
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96 views

Airlock not pressurized, any explanation other than a leak?

I'm in the primary fermentation of mead, using one of these "big mouth bubbler" 5 gallon fermenters and an S airlock. Initially, when the fermentation was really vigorous, the airlock behaved as ...