Questions tagged [fermentation-temperature]
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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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 ...
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Does a too low fermentation temperature affect taste?
I currently have 4, 5 gallon batches going. After a bad episode of brewing at a high temperature (72-75°F) for 2 batches, I have gone in the opposite direction and aim for 60*F, and frequently dip ...
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Which strains of yeasts are the cleanest for warm/hot fermentation?
I am from Puerto Rico and the temperature here is like summer all year round(between 75 to 95*F) , and I really want to know the cleanest strains of yeasts for this kind of temperature.
(clean yeast=...
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Where can I find information about the yeast Saccharomyces Bayanus?
I was able to find plenty of information about the ale yeast S. Cerevisiae and lager yeast S. Pastorianus, however information about the wine making yeast S. Bayanus appears to be more difficult to ...
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What is the best way to measure temperature in a swamp cooler?
I am thinking about setting up a bucket-o-water/t-shirt swamp cooler for my primary fermenter. The ambient temperature is about 82degF and I would like to ferment an American Ale around 74degF. I have ...
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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 (~...
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How Much (and How Fast) of a Drop in Temperature can (Ale) Yeast Tolerate? (And Preliminary Results from My Experiment)
I have rigged up a Raspberry Pi with some DS18B20 temperature probes that measure both the water in the swamp cooler and the beer directly and store the results in a MySQL database.
I brewed a new ...
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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 ...
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Going Below Optimum Yeast Temperatures (For Ale in Particular)
So I understand that going above the optimum yeast temperature specified is a bad thing and will cause major off flavors.
But what happens when you go underneath it?
For example, I am currently ...
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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 ...
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Lager yeast fermenting at 25-30C
The summer is approaching, and I would like to make some experiments using lager yeast, just completely out of its temperature range. I guess that steam bear was made using lager yeast at higher ...
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What to brew in the summer?
What kind of beer can I brew in the summer (30C by day, a few less by night), without special cooling equipment? Anything special (but not too complicated/expensive) I should do?
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Dropped the temperature as it was getting out of control, did I shock my yeast?
Making an IPA with an OG of 1.069, we pitched at 70°F with good ol' Safale US-05, just dry out of the packet as I've always done with US-05 with good success (I tend to trust it a little too much ...
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What is the benefit of long fermentations/leaving beer on yeast for weeks?
I know the 'general' answers: "it allows the yeast to 'clean up' compounds", "it allows the beer to 'condition'", "it allows the flavors to come together", none of which I am satisfied with.
My ...
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Side-effects of 'lower than recommended' fermentation temperatures?
I have a Ginger Beer kit on the go. It's sitting in the kitchen and ambient temps are ranging from 15 to 20ºC (59-68ºF). The beer was started 3.5 days ago and I was away for the weekend, I can see ...
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How early can I know if a brew is ruined?
Today I tried my very first brew using a Coopers DIY kit. I was told the Lager mix that comes with the kit probably won't taste amazing, but it should be hardy and forgiving for beginners that don't ...
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House's furnace died while fermenting, what should I do?
I'm doing my first homebrew (using this kit), and started fermentation 6 days ago. I've kept it in my basement, which is usually around 66F. The kit's instructions just tell me to let it ferment in a ...
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Will this Pilsner technique work?
I want to brew the Brewers Best Continental Pilsner with the given equipment and parameters that I have, which is not much. My basement is averaging 40-45°F (4-7°C) degrees which I think should be ok ...
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US-05 Fermentation Temps
On the package of the US-05 it says it's temperature range is 58-75F. However, all the reading on forums I am finding people tend to the lower end of the spectrum, even calling upper-60's to be too ...
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Slow temperature rising vs equivalent fluctuations
I've read a few accounts of brewers using slow temperature increments to bring out particular flavours from the yeast that they're using. For example, stepping up 1C or so every day over a few days.
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How much does gravity typically drop after high krausen
I have two fermenters going with about a cup of slurry of S-04. Pitched Sunday morning at 61 degrees ambient, they were showing activity within 5 hours, vigorous activity within 12 hours. Went to ...
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How to control temp between two fermenters in the same chamber
I have room for 2 5-gallon fermenters (ale pails) in my fermentation chest, and would like to conduct two fermentations at once. Typically, I insulate my temp controller's probe against a fermenter, ...
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Fermenter Headspace; Suitable (and cheap!) Containers for Split Batches
After Denny's article in the spring issue of Zymurgy, I'm anxious to experiment and split batches for experimentation with yeast pitching rates, strains, fermentation temps, and adjuncts.
I had ...
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Brew stops bubbling at night
Yes - another novice question from me :(
Our brew bubbles away through the airlock for most of the day, but when I come down in the mornings it is dormant (no bubbles for the 2 minutes I was looking ...
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When to conduct diacetyl rest?
I have my first lager fermenting at 50 degrees (pitched Saturday 8/18 at 11pm, tonight will be pitch + 5 days). Airlock activity started Monday AM, been going consistently since.
The problem I am ...
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Can Dried yeast function at a low temperature?
I started my first batch of home brew lager around 24hrs ago I aerarted it and it was at 20 Degrees celcius but does not appear to be fermenting..... I know people say I have to give it time as I read ...
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Can lowering temperature too rapidly result in stuck fermentation?
I have fermented my last few batches with a swamp cooler - putting my bucket into an igloo cube cooler filled with water and ice. They've all been ales. I usually start in the high 60s/lows 70s (...
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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 ...
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Doppelbock fermentation and lagering question!
Iv'e got a Doppelbock 1.090 brewed 7/19. Pitched the Whit Labs "X" at 60 deg. Placed the carboy in the fridge (first time trying a lager fermentation). Two days later the beer was at 44-46(thats the ...
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Yeast Character Resource
I'm interested in locating a resource where differente yeast strains are discussed and profiled, such that for a given yeast strain I can see what different brewers' experiences have been with respect ...
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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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How to tell if (and recover from) a diacetyl rest was done too early?
I've got a lager (Wyeast 2206) that I've just taken out of primary fermentation (at ~8C, for 10 days) for a diacetyl rest (at ~20C). I picked the time to do it based on "How To Brew" suggesting I ...
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Temperature for fermenting a hybrid (california common)
I'm planning to brew a California common "steam" beer. I will be using a bottom fermenting lager yeast, specifically Wyeast 2112 California Lager. This is intended for a warmer fermentation, up to 68 ...
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What flavors come from fermenting S-04 on the warm side?
I brewed this 1064 OG recipe and used my reverse flow chiller to get it down to 74F (could have gone cooler, but my starter was at 76F or so). It fermented like nuts (over 1.5 gallons of krausen ...
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Ideal fermentation temperature
I'm just finishing up a DIY fermentation chamber made from a chest freezer, reptile tank heater, and a temperature controller.
Now I just need to figure out what temperature to set!
Most yeast ...
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What will be the effect of allowing fermentation temperature to drop on a nearly finished fermentation?
I brewed this Northern Brewer saison kit and picked the Wyeast 3724 belgian saison yeast. Only later did I discover that this yeast has a tendency to stall out. So as a preventative measure I ...
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Should I start mead fermentation at this time of year?
I would like to start a new batch of mead. However currently the air temperatures where I live can reach 30 degrees (Centigrade) and I have no air conditioning at home (so the temperature at home can ...
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Raising fermentation temperature
I recently upgraded my system to include temperature control, and I had fermenting a brown ale at 67 degrees for about 6 days. Took a gravity reading last night, and it was at 1.014 (down from 1.065/~...
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2 Temperature Control Questions - difference in ambient temp; moisture control in chest freezer
I use a chest freezer with a Brewpad heating element stuck to the inside wall (for warmer fermentations/bottle conditioning), and a single-stage Johnson controller. Since getting this, I haven't used ...
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Day Three, still no apparent fermentation
During my most recent brew session I may have been a little too relaxed, and had a few too many homebrews during the process.
I feel like I did everything right and kept everything sanitary, but ...
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Diacetyl Rest on Cream Ale
Have a cream ale (OG ~1.059) that has been fermenting at the low end of US-05's range (57-59 degrees) for just about two weeks. Didn't test gravity, but still saw a decent krausen ring and airlock ...
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At what stage of the fermentation process is temperature control most important?
I've been using a fridge w/thermostat to control fermentation temperature for ~6 months now & have recently started dual-purposing the fridge for a keg as well. Since serving & fermentation ...
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Heating Methods
Just yesterday, I bought a chest freezer and digital Johnson temp controller, and am EXTREMELY psyched. I think I'm going to make a pre-prohibition pilsner/classic american pilsner as my first lager. ...
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How to compensate for wort internal temperature when using a temp controller?
What's the best method to use a temperature controller during fermentation? If you're using a freezer (or warming apparatus) connected to the controller, how do you compensate for the fact that the ...
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Can't get accurate temperature with johnson controls and freezer
I've just started fermenting my first lager with my recent new temperature control equipment, but am having some problems getting to the correct temperature. I have a chest freezer with a johnson ...
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What to look for in a temperature controller
I've decided to begin assembling the components for temperature control, as I am walking around telling new homebrewers that its the best thing one can do to improve quality, yet I myself don't have ...
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US-05 Fermentation Temperatures / Top Cropping
Brewed a 1.060 OG IPA last night (extract), pitched a packet of US-05 reconstituted with 5 ounces of water. Pitched at 68 degrees, but I wanted a clean fermentation with minimal esters, so I have the ...
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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 ...
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Nothing visible happening in fermenter after three and a half days - what should I do?
My first brew has been in the primary fermenter for three and a half days (brewed Saturday night, it's now Wednesday morning). It's in a plastic bucket fermenter with an airlock. There are no bubbles ...
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Quick fermentaion, what should i do?
I made a batch of cider 6 days ago, and it started fermenting nicely, however now the bubbles in the air lock have slowed to nearly 1/min (according to my recipe means it's fermented)
However this is ...
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