The temperature of the wort during fermentation. Often different from the ambient temperature since fermentation is an exothermic process (releasing heat).

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Maintaining Lagering Temperatures

I've got a Pilsner in primary that I'm hoping to start lagering this weekend. I don't have a refrigerator that can accommodate the carboy, so I'm thinking about keeping it in a largish lidded foam ...
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2answers
3k views

Belgian witbeer: Which fermentation temperature in comparison to a Bavarian Hefeweizen?

I have recently made a Bavarian Wheat that all my "co-drinkers" liked quite a lot. I have fermented that pretty cold (18C/64F), since I don't like these beers when they are overly estery and tasting ...
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4answers
3k views

Temperature swing of 10+ degrees during fermentation

I'm fermenting a porter, and pitched the yeast at about 75 on Sunday night (4 days ago). Lively fermentation started the next day, and though the wort had cooled to about 68 the first night, the ...
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2answers
412 views

How much time should a warm-fermenting yeast strain sit at the high primary temperature?

I made a batch of braggot (~46% honey) a couple of weeks ago, and used the Duvel strain (a pack of Wyeast 1388 and a vial of WLP570). Pitched at 65 and ramped it up to 82 over the course of 7 days. ...
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1answer
436 views

Initial fermentation temperature for saisons?

It's summer, and that means that my basement is too warm for English and American ales, but I did make a really fine French farmhouse ale (saison) at fermentation temperatures of about 75F. I've ...
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1answer
420 views

What is a swamp cooler?

What type of equipment do you need to build one? How do you use it? What are the realistic expectations of using one?
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4answers
665 views

First Time Brewing…am I doing it right?

So I went to my local brewing store, and got a starter kit. It came with a 7 gallon fermenter, a siphon tube, a floating thermometer, bottle caper, bottle caps, bottle scrubber, and sanitizer. By the ...
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2answers
764 views

Which fermentation temperature should I favor?

I am doing a dual brew this weekend. First up will be my Engine 97 Steam Beer (aka California Common - see recipe here: http://www.lootcorp.com/recipes/engine-97-steam-beer.html - credit for original ...
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2answers
932 views

Best beer styles for warm fermentation environment?

What beer styles tend to work well with a warm (at least 70F, possibly up to 90) fermentation environment? In other words, what styles will be best to mask or work with the off-flavors produced?
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3answers
783 views

How do I use this Digital Temperature Controller?

For my birthday, I asked my sister for a Digital Temperature Controller. Rather than buy the one from Norther Brewer, I found what I thought was a better deal from Pex Supplies. However, it looks like ...
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1answer
252 views

Small Space & Apartment Brewing: Diacetyl Rest

When brewing a lager in an apartment, you will most probably use a small refrigerator for the lagering process. If the refrigerator does not allow you to choose the exact temperature, but instead you ...
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2answers
788 views

Should secondary fermentation be the same temperature that primary was?

Or is it okay for the secondary fermentation to be colder than primary?
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3answers
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At what temperature should a lager be fermented?

When fermenting a lager, what temperature should it be held at for best results?
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1answer
629 views

Fermenter Heating Belt

Is it worth using? I was thinking of getting one to use on my first fermenter for a german weissbier so that the yeast flavour and aroma is more present in the final result. By how many degrees does ...
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4answers
12k views

Ale Fermentation Temp. Too Cold?

Recently, I've had a streak of hot fermentations. My primary vessel nears 80º, and sometimes more. With my latest batch, I've moved to a much cooler part of the house. I expect it to consistently ...
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12answers
18k views

[WIKI] Fermentation Temperature Control Methods

What different methods do people use to maintain or control fermentation temps? This includes maintaining temps for both Ales and Lagers. For most climates, active control is necessary for doing ...
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2answers
149 views

Is it HOT enough for ya!

How do you determine the right temp? Should everything be brewed @ the same temp or can different temps offer different drinkable results? My first try at my own recipe was steeped @ 120 degrees ...
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7answers
2k views

Temperature Control for Fermentation

I am curious how everyone controls the temperature of their primary, especially those that live in the warmer climates. In Florida, where the temperatures can soar and remain in the 90's and above ...