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

learn more… | top users | synonyms

1
vote
2answers
396 views

When is the most critical time to control fermentation temperature?

I know there is a similar question out there, but I am trying to ask for my own particular set u. If memory serves, I believe that is is in the first 48-72 hours of pitching yeast. This is when ...
1
vote
1answer
965 views

WLP 566 Saison Long Fermentation

I brewed up a saison/BGSA 13 days ago, OG of 1.088. Don't have the grain bill/fermentables handy, but there was a good bit of sugar/highly fermentable adjuncts. Pitched a 32oz starter with this ...
1
vote
2answers
484 views

Stuck Ferm? Celebration Ale Clone Gravity at 1.021

Celebration Ale Clone (extract kit) White Labs California Ale Yeast (liquid vial, no starter, I know next time I'll make a starter) Pitched at 68 degrees and good activity 18 hours later, got up to 71 ...
1
vote
0answers
23 views

What are the characteristics of a fusely beer? [duplicate]

I have heard that too warm a fermentation createds "fusely" beer. What are they and how can I tell if I have this problem?
0
votes
2answers
83 views

Which temperature do I ferment at: the recipe's temp or the yeast's recommended temp?

So, I'm trying to brew a Mexican lager today. What I've done is taken Palmer's Cold But Not Baroque recipe and tweaked it a bit. However, instead of using Bohemian lager yeast, as the recipe calls ...
0
votes
1answer
73 views

Temperature of Wort hit 89*F when yeast has maximum temperature of 72*

... I rigged up a raspberry pi and connected it to a thermwrap to regulate temperatures for my wort. All was working swell until I made a slight tweak in the code, and commented out the section that ...
0
votes
1answer
32 views

Fermentation Temperature

I have a quick question. I've been looking for an answer, but didn't find a clear answer. So, I'm making an IPA. Right now the air temperature in my closet where I keep the carboy is 67-68F. This is ...
0
votes
2answers
38 views

Why every brew has a bitter malty aftertaste?

Every of 5 previous brews (lager, pilsner, pale ale, IPA) have had a somewhat bitter and malty aftertaste to them. It's not too off-putting (except the lager) but is clearly there, yet not present on ...
0
votes
2answers
72 views

Temperature of wort hit 50*F when yeast has a minimum temperature of 60*F

This is unrelated to the question I just posted here. (Yes I'm having a bad day regarding temperatures, both too hot and too cold!) My yeast had a temperature range of 60-72*F. It has been brewing ...
0
votes
2answers
619 views

Waiting to pitch yeast?

I came across a couple similar questions, but not exactly what I was looking for. I only have a short period where I have time to brew, but my starter isn't ready and some cooling equipment. Are ...
0
votes
2answers
41 views

A side by side comparison of open vessel vs closed vessel natural temp rise during fermentation

Would an unjacketed open fermentor, ferment cooler than an unjacketed closed system, given everything else equal. The idea being the ease of releasing strain and pressure on the yeast in an open ...
0
votes
1answer
52 views

Optimum Fermentation Temperature

I am planning on brewing a wheat beer with Danstar Munich Wheat Beer Dry Yeast. I didn't realize until I had already made the purchase that the optimum temperature for fermentation was 55-65. I don't ...
0
votes
1answer
94 views

WLP036 (Düsseldorf Alt) and cool temperatures

I am fermenting an alt in my cellar using WLP036 (Düsseldorf Alt). Pitched a 2 litre starter into 21 litre 1.051 wort. Fermentation was extremely vigorous at 16 C ambient temperature for 36 hours, ...
0
votes
2answers
953 views

Beer fermenting too cold?

My first brew is currently fermenting on its 6th day. I just checked the temperature and it was quite a bit lower than what I initially thought. The temperature in the room is 12'C (54'F) and the brew ...
0
votes
0answers
8 views

Why is the primary stage of fermentation of wine important?

Senior chemistry student, whilst I know the main reason, I would like to know more of the chemistry behind it.
0
votes
0answers
28 views

Is there a way to estimate the actual temperature where the yeast ferments without having a sensor inside the carboy? [duplicate]

I was reading an article on fermentation temperature control where it says, However, since yeast growth and fermentations are exothermic and therefore generate heat, figure that the temperature ...
0
votes
1answer
263 views

Change the temperature from fermentation to aging?

I used to allow for primary fermentation, then rack the beer out of the primary fermentor and than let it 'age' in secondary for about 2 weeks. At that point I used to move the beer from room temp ...
0
votes
1answer
175 views

DIY BrewBug based offerings?

BrewBug, is a neat little toy that essentially has a "floating bob" that measures the temperature and specific gravity of the wort as it is fermenting, allowing for niceties like changing the ...