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Questions tagged [temperature]

Temperature plays a key role throughout the brewing process, particularly during the mash and during fermentation.

18 votes
9 answers
48k views

Is it OK to starting fermentation while wort is still warm?

I'm just getting started, so in my first couple batches I realized I had a problem cooling the wort all the way down to 60°F/16°C recommended by my instructions. I boil all of my water, but I don't ...
spoulson's user avatar
  • 389
18 votes
6 answers
33k views

What happens when beer freezes?

After a bit of trouble with a thermostat on a 2nd hand fridge, I discovered that my latest batch of bottled, ready-to-drink brew had frozen. What happens to beer when it freezes? Will the taste be ...
Mark McDonald's user avatar
16 votes
5 answers
2k views

How do you cool wort?

More specifically, what methods exist to cool your wort after the boil, and what are there respective pros/cons?
Fishtoaster's user avatar
  • 2,882
14 votes
4 answers
8k views

How many degrees will my carboy heat up as a result of fermentation activity?

Recipe calls for fermentation at 70°F (21°C), basement is 65°F (18°C). I know that fermentation produces some heat, so I was wondering if just letting yeast do its thing will be enough. Otherwise, ...
PBG's user avatar
  • 263
11 votes
3 answers
2k views

How long do I need to maintain my fermentation temperature?

Do I need to maintain my desired temperature until bottling or take it out of the "ferm chamber" after initial fermentation is done? What about with long term brews such as sours?
Wulfhart's user avatar
  • 661
10 votes
4 answers
673 views

Why are Swings in Temperature Bad?

I started brewing back in may, at the beginning of a Californian summer. I quickly learned that the swamp cooler was necessary to prevent unwanted ester formation due to a too-high of temperature for ...
Matthew Moisen's user avatar
9 votes
3 answers
4k views

High-gravity beer stored too cold to carbonate during bottle conditioning. How can I carbonate this beer?

I made a strong scotch ale. Bottled it up, 2 weeks later no carbonation. Is there a way to save this batch? OG 1.095, Used Safale US-05, 2 weeks in primary, 6 weeks in secondary, FG 1.030, I ...
user avatar
9 votes
2 answers
7k views

What is a whirlpool chiller?

What is a Whirlpool Chiller and how does it work? What are the advantages or disadvantages?
brewchez's user avatar
  • 36.2k
9 votes
1 answer
2k views

What is the recommended serving temperature for each beer style?

I just finished a kegerator build, complete with a custom thermostat so I can set the temperature to the degree. Now the question is: What temperature range is best for each beer style?
bengineerd's user avatar
8 votes
5 answers
3k views

Would placing the fermenter tank in a tub of water be a good way to handle hot environments?

Summers where I live typically have 80F nights and it can easily pick up to 95 degrees during the day. I have a plastic trash can (which I bought for this purpose) that I have filled up with water. ...
Matthew Moisen's user avatar
8 votes
2 answers
721 views

Is it okay to store cold beer at room temps after conditioning?

I brewed a nice batch of Black Cherry Ale, which has been bottle conditioning at 35F for about 5 weeks. I will need space in the fridge for a keg of Summer Ale in about two weeks. My basement temps ...
Greg's user avatar
  • 361
7 votes
6 answers
2k views

Networked/Connected Thermometer for Measuring Water in Swamp Cooler

I was hoping to put together an information system that could measure the temperature of the water in a bucket where I place my fermenting-bucket and notify my smart phone when I need to replace the ...
Matthew Moisen's user avatar
7 votes
3 answers
1k views

Do I need to continuously measure the temperature of my mash tun?

From what I understand, the all-grain brewer warms up water to a particular temperature (usually 10-15*F over the strike temperature), adds this warm water to the grains in a mash tun, in an attempt ...
Matthew Moisen's user avatar
7 votes
5 answers
5k views

How Should I Place a Digital Thermometer into My Fermentation Chamber and Keep it Airtight?

I have a setup with a raspberry pi and two DS18B20 digital thermometers that measure the temperature of the ambient air and the water in a swamp cooler that I place my fermentation chamber in. I was ...
Matthew Moisen's user avatar
7 votes
1 answer
4k views

Can I bottle condition / carbonate my Hefeweizen at "room" temperature (74-78 degrees)?

My first brew is almost ready for bottling. Winter is pretty much non-existent where I live, so "room temperature" is typically between 74°F and 78°F (23°c to 26°c). I was planning to leave the ...
Michael Moussa's user avatar

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