Home Brew Forums > Home Brewing Beer > General Techniques > Can dry hopping restart a fermentation?
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Old 05-05-2013, 03:21 AM   #21
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No, it was an AG kit from austin homebrew, it looks like the same recipe that is in the BYO 250 clone recipes. I haven't heard of the book, gonna have to check it out.

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Old 05-05-2013, 03:48 AM   #22
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Quote:
Originally Posted by Benedetto View Post
for me, it stopped fermenting (again) after about 3 days. the DFH 60min needs a 2 week dry hop, so you're definitely in the clear!
I dryhop mine for about 5 days. That's produced the best flavor and aroma for me.
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Old 05-06-2013, 03:13 AM   #23
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the Book it called "Extreme Brewing". Written by the owner of dogfish head.

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Old 12-09-2013, 09:41 PM   #24
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Dryhopping adds a bunch of nucleation points, so it'll bubble after adding the hops (or anything like that).
This simply can't be the only explanation? I mean there are numerous threads on significant airlock activity many days after dry hopping?
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Old 12-09-2013, 09:50 PM   #25
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Originally Posted by Hjandersen
This simply can't be the only explanation? I mean there are numerous threads on significant airlock activity many days after dry hopping?
Ya, but did the gravity change? Airlock activity means little to nothing and means basically nothing once the beer is at final gravity in pertaining to fermentation occurring. Gasses can come out of solution for many reasons including the dry hop, pressure changes, temperature changes, vibrations, etc.

If the beer was done, it's done with nothing left to ferment unless it got infected.

Haven't you seen the video of the empty Carboy bubbling the airlock
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Old 12-09-2013, 09:56 PM   #26
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Quote:
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This simply can't be the only explanation? I mean there are numerous threads on significant airlock activity many days after dry hopping?
sure it can and if you take a gravity reading and find the gravity the same as before the dry hop you'll see.

Pressure and temperature changes can cause suspended co2 to release as well. Every time I dry hop I get bubbles, I expect it and have no concerns about it
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Old 12-09-2013, 10:05 PM   #27
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I have yet to have my beer drop lower after dry hopping, but they always produce off gassing. I racked a Porter onto Vanilla Beans and Cacao Nibs Saturday and it off gassed for at least 36 hours.

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