Questions tagged [cold-crash]
The process of quickly dropping the temperature of homebrew following fermentation to promote the flocculation and settling of yeast and other unwanted material.
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Cold crash amount of CO2 sucked into fermenter
I plan on ussing a bag/balloon filled with CO2 attached to the fermenter when cold crashing. I want to calculate how big this bag needs to be.
Assumptions:
Fermenter Volume: 30l (23l beer)
Room Temp:...
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1answer
173 views
Cold Crashing Mead. Need help with details
How long should I cold crash a mead for?
Is it possible to get haze in the mead from being cold crashed too long?
The yeast is 71B, and it is one gallon. I had to take the airlock off to put it in ...
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1answer
67 views
Cold crashing and priming for carbonation, does that work?
My wild fermented cider from freshly pressed apples has been on the carboy for almost one and a half months now.
Cider is cloudy and there's still some very, VERY occasional airlock activity (once or ...
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2answers
187 views
Does cold crashing have a negative impact?
According to "How to Brew" by John Palmer (4th ed.), cold conditioning (a.k.a. lagering) is the act of cooling beer after fermentation has completed (including maturation) in order to clarify the beer....
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How long does clarification take given a refrigerator temperature level cold crash?
In this question defining cold crashing, there is some discussion of ramping the temperature down slowly over a long time, but then says quicker cold crashing is possible if the beer has already ...
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1answer
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How can you force flocculation of weizen yeast?
I'm trying to make a Kristallweizen. I'd like to get most of the flavor of the hefe weizen been with no yeast and, but don't have access to filtering right now. What would be the best method(s) to ...
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1answer
52 views
Bringing Cold Crashed Beer to Room Temperature
So I cold crashed and force carbed a saison recently, but after trying a glass I realized that it might be a little young and too funky. I took the keg out of the fridge and let it warm to room ...
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2answers
373 views
Cold crashing kombucha
Does cold crashing kombucha work in terms of removing yeast and creating a brighter product?
I am using a continuous brew process where I decant from the primary fermenter in to a secondary ...
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2answers
378 views
“Debugging” a bitter DDH NEIPA
I brewed a DDH NEIPA recently and it was a great learning experience.
I got the aromatics I was looking for but the flavor was bitter. The batch was bound to be wonky because of size limitations ...
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3answers
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Can I cold crash if I'll be bottle-conditioning?
I've seen cold crashing presented as a means of clearing beer by knocking much of the yeast out of suspension. But it seems to be a technique that's used by brewers who keg. Is there still enough ...
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2answers
430 views
Cold crashing and risk of oxidation
I'm brewing a Belgian golden strong ale for the first time. According to the fermentation schedule, it should cold crash and lager at 32°F (0°C) for three weeks. Even though I've cold crashed before, ...
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2answers
437 views
Cold Crashing techniques
I have very nearly mastered the clarification process but still wish to control the timing of flocculation more consistently. At what point/stage is cold crashing most efficient?
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Would an extended time cold crash at 10°C work or not?
I don't have the facilities to properly cold crash but my attic at this time of year is pretty cold - about 8-10°C (50°F). Would there be any benefit to leaving my beer there, maybe for an extended ...
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1answer
328 views
cold crashing question
My fridge holds a damn near constant and consistent temp at whatever i set it at. I am thinking about cold crashing my double IPA and this would be my first time trying this technique. I heard there ...
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3answers
2k views
Cold crash with airlock or not
While cold crashing is it right to use a lid with an airlock?Do we risk to get oxygen in the fermentor fron the airlock(and as a result to oxidize our beer) while co2 leaves free space as it "goes" in ...
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1answer
168 views
Fermentation not over?Cold crash or not?
I am fermenting an ESB at 20C for 8 days. Target FG was 1.017 according to my recipe.
FG on 6th day was 1.013 ,7th and 8th day is 1.012 .I am not conserned about this difference as that i still have ...
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2answers
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Long cold crash for an ale. Benefit or harm?
I cold crash my ales to reduce sediment and clear the beer. My understanding is that even as little as a day would do that. But my brewing partner and I have often (due to time constraints) kept them ...
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2answers
117 views
cold crash bottled ale
I have bottled my ale, it's been bottled for 2 weeks in the warm. I want to drink it in about a week but it's still very cloudy. Should I cold crash to clear it or hope that in another week it will be ...
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1answer
286 views
Neglected to Cold Crash after fermentation
The Question
Will cold crashing after a beer is bottled (and waited 2 weeks for the carbonation) give you the same clarity as doing it in the fermenter prior to bottling (assuming you pour your beer ...
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1answer
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Cold crashing bottled ale after fermentation
There are a few topics about this here but nothing that gives info on my particular situation...
I've fermented in primary for 1 1/2 weeks then transferred to secondary. Left the ale in there for ...
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2answers
996 views
Benefits of cold crashing vs risks of moving fermenter
I have a gose fermenting now that should be ready to bottle this weekend. My homebrewing setup is very new (I've only been doing it for about 3 months), so I don't have temperature control during ...
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1answer
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Is Wyeast American Ale II a highly flocculant yeast strain?
I am enjoying being a brewer, I can make beer.
So, now I am trying to refine some of the processes. I generally make IPA's and have been using Wyeast American Ale II yeast. Once fermentation is done ...
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2answers
142 views
Expected priming time after 5 months in fridge?
I had a demijohn of beer sitting 'maturing' in the fridge for 5 months, neglected mostly.
Needless to say it was crystal clear, which is little pointless as I ended up bottling it because within 5 ...
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Why exactly does cold crashing work?
I'm trying to understand the mechanism behind cold crashing. When cold crashing, you cool the fermented brew, yeast and suspended solids settle. With my first cider, a very turbid bottle visible ...
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2answers
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Cold Crashing in the bottle?
Is it possible or advantageous to cold crash after bottling? I am aftaid if I cold crash for 2-3 weeks before I bottle that all the yeast will settle out and I wont have any to provide carbonation in ...
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1answer
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Pitching Whole Starter vs Cold Crashing Effects on Taste
Earlier, I made a thread trying to find a reason for a yeast/green apple flavor in my beer.. After a lot of thought and poking around, I have an idea of why this is, but I wanted your opinions on ...
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1answer
517 views
Why Wouldn't Chilling a Yeast Starter Cold Crash or Inactivate the Yeast? [duplicate]
We boil DME and water to make a solution with an OG of 1.040, pitch the yeast and place it on a stir plate for a couple of days to make our yeast starters. After this, it is commonly suggested to ...
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How to Cold Crash an Imperial Stout?
During my first all-grain (an Imperial Stout recipe a friend and I invented), I managed to forget adding Irish Moss towards the end of the boil. After 3 weeks in primary, I've verified that ...
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1answer
408 views
Fermentation Schedule on a Biere de Garde
-TLDR version of the questions: How long could/should you keep fermented beer on the yeast at 72 degrees after reaching an appropriate final gravity before racking/bottling to minimize off-flavor ...
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3answers
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Priming calculation after cold crashing for a week
So beer temperature affects residual co2 in beer for priming, the lower the temp the more residual.
I've got a Ryepa that I plan on carbing to 2.4 vols of CO2. Its been in a 55 degree closet for 4-5 ...
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3answers
12k views
Sanitizer sucked back into beer, dangerous?
So I just fermented a 80 Shilling and thought I would try cold crashing for the first time. I dropped it from mid 60's to 38 or so in a 24 hour period and it sucked about 4 cups of sanitizer up the ...
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Is rapid wort chilling always needed?
There seems to be a fair amount you can get away without doing when using extract in brewing, since the extract has already gone through most of the process before being packaged (e.g. no need to boil ...
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2answers
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Beer not carbonating
The IPA I made has been sitting in bottles for 2 weeks around 73-75F and is not carbonating.
One thing I did prior to bottling was I cold crashed the secondary for about 1 day to get some floating ...
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2answers
629 views
Is re-pitching essential after cold crashing?
If I'm cold crashing a batch to clear it up, is it essential to re-pitch when bottling or will there be sufficient residual yeast for carbonation?
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2answers
520 views
Reusing yeast slurry after cold-crashing.
I let a lager sit for 10 weeks in a secondary until it was very clear (the cold helped with clarity), and then used the yeast slurry at the bottom as a starter for another batch. I usually make a ...
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3answers
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Cold Crash and Finings
This year my goal is to improve the clarity of my bottle conditioned beer.
I intend to do this by:
At the end of the fermentation, adding finings (Isinglass) to the brew barrel, followed by;
...
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What is cold crashing?
What is cold crashing?
When is it done?
How long does it take?
Best temperature to make it happen?
