Questions tagged [temperature]

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

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2 answers
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What is the ideal temperature during carbonation with priming for an ale?

During sugar priming, how does the temperature influence? In my understanding, higher the temperature, faster the carbonation process. But can this somehow produce some off-flavors on the beer? Too ...
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?
10 votes
4 answers
672 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 ...
2 votes
1 answer
47 views

FastFermenter System

Is anyone using fastferment conical with the temp jacket to eliminate secondary fermenter? I am having trouble maintaining my temperature according to the instructions. Does anyone have a suggestion ...
1 vote
1 answer
532 views

Safale US-05 Temperature Drop

I am brewing a stout and using Safale US-05. Here in middle Georgia the weather is already plenty warm so I'm using a water bath to keep my wort at a stable temperature. I pitched this yeast at a temp ...
3 votes
2 answers
203 views

What happens if I ramp temperature too fast?

I'm brewing a Duvel Belgian golden strong. Chilled my wort to 64°F and pitched my yeast. My plan was to raise the temperature 3 degrees a day to 82°F. Today (day 2) ambient temperature rose into ...
2 votes
2 answers
145 views

Can I use BrewPi and Fermwrap without a chamber?

I've been looking into fermentation temperature control and came across BrewPi. Even though I live in Southern California, I'd like to be able to keep some brews at optimal temperature -- the house ...
1 vote
1 answer
78 views

Maintaining Temperature in wine production

In wine production is maintaining a 20 degree C temperature a critical factor after first fermentation?
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, ...
3 votes
2 answers
359 views

Washing yeast from a brew that was pitched too warm?

I wasn't able to cool down the wort well enough and pitched WLP001 at 85°F (29.5°C) (I know, what a failure...) My home is 82°F (28°C) indoors and the water comes out of the faucet at that temp too. ...
4 votes
3 answers
961 views

Storing bottle conditioned beers and carbonation

I store all my beer at 55°F(12.7°C). Do I need to worry about the beers that are bottle conditioned not being carbonated, or not being at the proper carbonation level? Should they already be ...
5 votes
4 answers
8k views

Temperature swing of 10+ degrees during fermentation

I'm fermenting a porter, and pitched the yeast at about 75°F (24°C) on Sunday night (4 days ago). Lively fermentation started the next day, and though the wort had cooled to about 68°F (20°C) the ...
2 votes
1 answer
349 views

Why do I need a temperature controller if I have a freezer/refrigerator?

I have a chest freezer with a thermostat dial on the outside of the unit, so why do I need another temperature controller? What's wrong with taping and insulating a wired digital thermometer to the ...
2 votes
2 answers
3k views

overheated the mash by a long shot

I asked before and got some help and have done some reading since. The temp in my mash jumped from 175 to about 195 after I put the lid back on. How much damage did I do? Some things I've read since ...
3 votes
7 answers
3k views

Warming up a demijohn / carboy

As a continuation to my previous question about a very slow fermentation of sloe wine, I think my demijohn is just too cold where it is. I haven't taken readings - I'm still fuzzy on how - but judging ...
3 votes
3 answers
87 views

How to keep my brew refridgerator dry?

I have a chest freezer that I operate at 60F/15C and brew all my beers inside of it. I also use a raspberry pi system that I keep inside the chest freezer. What can I do to prevent moisture growth ...
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?
1 vote
1 answer
683 views

Is there a temperature my boil should not exceed?

I'm new to brewing (as in, tomorrow is my first brew day, ever) and I'm using a Brewer's Best Amber Ale extract kit. The directions are very thorough and precise (at least for a newbie's standards) ...
1 vote
4 answers
302 views

Keeping a constant fermentation temperature

I am building a fermenting box on the cheap, I have the STC-1000, and an insulated box. What is the best heat source, pads, belts, lamps, fish tank heaters ???? I am using 5 litre glass carboys..and ...
1 vote
3 answers
242 views

How to add temperature measurement and control to my Brooklyn Brew Shop beer kit?

My wife got me this beer making kit for my birthday. The first two brews failed horribly due to bad sanitation, but the third one, an American Pale Ale, turned out alright. The only thing I didn't ...
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 ...
3 votes
4 answers
3k views

How do lager kits let you brew at room temperature?

I am thinking about making some Mexican-style lager using one of the following kits: Coopers Mexican Cerveza Bulldog Beer Kit - Cortez Gold Mexican Cerveza Better Brew Bandit, Tequila and lime Now I ...
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 ...
1 vote
1 answer
1k views

What happens if fermentation happens at wrong temperature?

What will happen with my beer if fermentation takes place either at a too hot or too cold temperature? What will be the effects on the flavour?
4 votes
1 answer
627 views

Why are some of my batches too sweet in the bottle, and can I rescue them?

I've had pretty good success brewing kits generally, but towards the end of last year I went on a mission brewing a few batches in fairly rapid succession. Unfortunately for me, most of the resultant ...
2 votes
1 answer
693 views

What effect does room temp have on the cider fermentation process?

I'm new to the site. Been making cider for a couple of years now and still don't feel like I have it down. My latest batch, a recipe I've made many times, is not clearing like it usually does. It got ...
2 votes
2 answers
900 views

Is anyone aware of a mini refrigerator model with a flat bottom for use as fermentation chamber?

Searching like crazy to find a mini refrigerator with a flat bottom. Any model will work, as I am new to this and only brewing 1 gallon batches. Ideally it would hold a 5gal carboy so that I do not ...
1 vote
2 answers
108 views

Keep Homebrew Fresh

Just syphoned a youngs 30 bottle kit into a plastic 5 gallon fermenter. How should I store this to stop it going bad? What's the highest temperature it can be stored at safely? and how can I ensure ...
1 vote
2 answers
2k views

How to Calculate Priming Sugar while Bottling Lagers?

Primary Fermentation: 50*F/10*C 2 weeks Diacetyl Rest: 65*F/18.3*C 2 weeks Lager: 31*F/-0.5*C 4 weeks I am reading contradictory information regarding the amount ...
1 vote
1 answer
200 views

Soapy aftertaste in wine, fermentation temperature?

I generally find my homebrew wine (just from a regular kit) has a soapy kind of aftertaste. I'm wondering if this might be down to fermentation temperature or something, I'm taking as many precautions ...
0 votes
2 answers
1k views

Ale yeast at cold temps?

I made a modified Oktoberfest 11 days ago. I used an ale yeast to cut down on the time. I let it ferment at 68 degrees Fahrenheit for 4 days, then decided to put it in the fridge at 50 degrees. I ...
3 votes
2 answers
123 views

Fermentation temperature control [duplicate]

I have an old refrigerator that I use as a fermentation chamber for my beer. It can hold two fermentation buckets. It is connected to a STC-1000 temperature controller so it keeps the temperature ...
2 votes
2 answers
445 views

What are the effects of storing unboiled All-Grain Wort at sub-lager temperatures?

Obviously it is better to immediately boil the wort when it is freshest, giving any wild yeist or bacteria as little time as possible to grow and contaminate the product. It is also a well ...
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 ...
0 votes
1 answer
258 views

Heating after fermentation?

What's the general consensus on leaving a heat source turned on after fermentation has complete? I'm doing an Imperial IPA which should finish fermenting in 4-5 days going by previous experience with ...
1 vote
1 answer
123 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
2 answers
1k 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 ...
2 votes
1 answer
400 views

Is there a formula to determine at which temperature a given volume of beer at a given ABV will freeze?

I was hoping that someone had worked out a formula to determine at which temperature a given volume of beer, at a given ABV, for a given length of time, will freeze? I'm doing my first 6 lagers and ...
1 vote
4 answers
9k views

Will refrigeration help carbonate my beer?

After two weeks of bottle conditioning at about 55-60°F (13-16°C), my beer is still a bit flat. I put a few in the fridge and after 2 days, they tasted just as flat. At this point, what should I do? ...
1 vote
2 answers
144 views

Second Fermentation In Water Bath

The room I use for fermenting is rather cold currently at around 8 degrees C, I had the idea to use a aquarium heater in a box of water to keep the temp around my bottles around 18 degrees, my ...
4 votes
1 answer
677 views

Mash-out and batch sparging

Brewing all grain, my mash tun can't hold my full sparge volume. So I step it, a few gallons at a time. I've read that the sparge water should be 170 F to stop the enzyme reaction. But when stepping ...
1 vote
1 answer
824 views

my temperature is too high what can i do?

i have just added all the ingredients for my first coopers lager beer kit. I am aware that my temperature is too high at 32degreesc and the kit says to be from 21-27. will this ruin it? i heard it was ...
1 vote
1 answer
129 views

bottle conditioning ale below room temperature

After bottling my batch of Porter, I forgot it need to be conditioned at room temperature. I left it in my garage for almost a week at 45-50°. When I realized what I had done, I moved it inside the ...
6 votes
1 answer
757 views

Best temperature to store carboy after fermentation is complete?

I've got a porter and a stout, both sitting in carboys and both have reached their desired FG reading. However, I'm not able to keg them for another 2-3 weeks because I'm still waiting on a CO2 ...
7 votes
3 answers
18k views

Secondary Fermenter Temperature -- Colder?

My American Pale Ale has been fermenting away nicely for the past few days and I'm certain I'll be racking to secondary within a few days (after SG gets stable). I'm curious: I've been keeping my ...
2 votes
1 answer
116 views

Temperature Control Issues

I'm testing out a brand new 200L system and found a couple of potentially disastrous but potentially easy-to-fix issues: 1) While mashing the temperature indicated on the thermometer which sits near ...
1 vote
3 answers
378 views

Temperature control during 1st phase fermentation

I am having some issues keeping the temperature controlled. I live in SE QLD and the daily ambient temperature has been 23 degrees C down to 11C. I've been advised not to let the wort drop below 18C ...
3 votes
3 answers
15k views

Do I need to adjust for temperature with a refractometer?

Sorry for the simplicity of the question, but I asked Google and she didn't know. Stackexchange is my next stop. I took a brix reading of my steam beer wort at 13 brix (~1.052 SG), but it was ...
3 votes
2 answers
264 views

Effect of temperatures over beer oxidation

Does temperature affect the oxidation of a beer ? Is a beer at a high temperature, let's say 30C (86F), more susceptible to oxidation that one in low temperature near 0C (32F) ?
3 votes
6 answers
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What is the proper way to maintain temperature in a water cooler Mash tun by adding hot water?

I bought the 10 gallon water cooler from Home Depot. The hole in it is about 3/4" diamater. After discovering that Home Depot, Lowes, Ace Hardware, and etc. did not sell all the components (hose barbs,...