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Old 03-29-2012, 07:13 PM   #1
goodtimes0
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Default Head space during fermentation

Hey everyone, glad to have become a part of the home brew community.

I'm currently using a 2 gallon wort that's fermenting in a 5 gallon container (no spout). I haven't seen signs of consistent bubbling through the airlock in about 4 days. All I see are a bunch of little non-moving bubbles in the airlock.

Are the 3 gallons of oxygen (head space) negatively interfering with the fermentation process and causing the air lock not to rapidly bubble? Or is this not necessarily a negative thing and the fermentation process will just take longer?

Or is there problem with the fermenting at all?

Thanks for the help!

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Old 03-29-2012, 08:28 PM   #2
Reno_eNVy
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Welcome! Also, odd place to post this question

1) Airlock bubbles are not a sign of fermentation. The only sure fire way of knowing if fermentation has started to ceased is to take a gravity reading. How long has it been in primary? Have you taken a gravity reading?

2) There is not going to be any oxygen in your headspace since the CO2 created during fermentation pushed it out and created a blanket of gas (CO2 is heavy.)

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