The anaerobic process by which yeast convert sugars into alcohol and carbon dioxide.

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706 views

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 ...
2
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4answers
607 views

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 ...
2
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2answers
191 views

Lead in primary fermentation

So, my floating thermometer broke while cooling off my wort and I didn't realize it until about an hour after I had pitched the yeast and fermentation had definitely already started. At first I ...
1
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2answers
553 views

What are the quickest styles from grain to glass

I know typically, hefeweizens and wits are best drunk while 'young', but what are the styles that are most conducive to a quick turnaround? I also know alcohol content is a factor. Have people had ...
2
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3answers
702 views

How to proceed when step-feeding a mead

I am in the process of planning my next mead batch, and I wondered if it would be a good idea to step-feed this one since I am planning a high ABV (18%). How would I do this best? My recipe looks ...
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5answers
530 views

How to keep sugar from fermentation and carbonization?

We want to made sweet low ABV cider. How to do that? I understand that yeasts are dying somewhere between 10 and 15% ABV but we want our cider to be between 2 and 5% ABV. We can interrupt ...
2
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2answers
976 views

Possible failed ferment: re-boil or campden + re-pitch?

On Saturday I brewed my 89th batch, an all-grain Irish Red Ale, SG 1.049. Pitched Wyeast 1084 from an "Activator" smack pack dated May 2012 that I'd struck around eight hours earlier, then aerated ...
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2answers
1k views

Is my batch contaminated / infected?

Me again with another question. So there's not been much activity from my brew lately (no bubbling, only 3rd day in the fermenter). I opened up to take the gravity and temperature (1022, 21C), so it ...
0
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1answer
422 views

Brewing 10 litres in a 25 litre fermentation vessel?

I'm a novice and have just started home brewing from a complete starters kit. The kit came with 2x25 litre fermentation vessels and a kit that makes 20 litres. I've been looking at some beer kits ...
5
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4answers
481 views

Why is a quiet environment recommended?

I'm brewing beer from a recipe kit, and the instructions say to put the fermenting bucket into a dark, quiet and warm place. I do understand dark (because of UV) and warm (optimal temperature for the ...
4
votes
1answer
892 views

Malt extract fermentability

Does anyone know of resources that specify the fermentability of malt extracts like muntons and coopers? Has anyone done a forced fermentation on these extracts who has results they are willing to ...
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2answers
830 views

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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3answers
342 views

When To Dry Hop?

I'm working with a recipe for a black ale (Cascadian Dark Ale) and it's telling me to dry hop 0.25 oz Warrior hops and 0.5 oz Cascade hops right after transferring to the carboy. I had read that the ...
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2answers
333 views

Is there any danger in fermenting outside?

Not having any cooling mechanism for my fermenter(s), this time of year I can get more favorable temperatures outside than inside. I'm specifically talking about ciders in glass containers, but I'm ...
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2answers
5k views

Why did fermentation take so long to start?

I boiled and pitched a low-gravity (~1.033) Scottish Ale this past Sunday. The wort was cooled via immersion to under 75° F and then aerated via a whisk-on-drill contraption before pitching the ...
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2answers
407 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 ...
6
votes
2answers
704 views

Can Olive Oil REPLACE oxygenating wort

Apparently, New Belgium is doing this. Also, for a typical five gallon homebrew batch, it is said that if you DIPPED A PIN in olive oil, shook it off, it would still contain hundreds of times the ...
1
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1answer
698 views

What causes fermentation to slow down under normal conditions?

I've got a honey wheat ale in the fermentor, 8 days on it. Wyeast 1010, 1.5L starter. OG 1.054. Temp controlled chest freezer at 65F. Fermentation appeared to start well, the blowoff hose was ...
4
votes
2answers
780 views

Saison stuck at 1.030

I would like to get some ideas on my next course of action for a "stuck brew". I am brewing a Saison (first one). My fermentation room is up around 82F so a Saison seemed like the perfect fit. The ...
5
votes
4answers
662 views

Wheat Ale “stuck” at 1.025?

I am trying to brew a stronger wheat ale, and after 9 days in primary, I seem to be stuck at 1.025. My OG was 1.070 and I pitched a smack pack of Wyeast Bavarian Wheat at about 70F. I had a very ...
3
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3answers
126 views

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 ...
3
votes
1answer
2k views

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 ...
4
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1answer
335 views

Accidental steam beer, temp control and diacetyl

I brewed a 16-gallon batch of my Lawnmower Lager, popped it into my Brewhemoth and inoculated it with 3 packets of Saflager S-23. My chilling solution isn't working as well as I'd hoped, and it's ...
5
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2answers
255 views

Possible to intensify/increase the amount of yeast flavor?

I will soon be making a hefe and will be using wyeast's 3068. In recent hefes I have made, I have always desired much more intensity in the flavors provided by the yeast strain. The only method i am ...
8
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3answers
2k views

Something in the fermentation chamber made my nose hurt

So last night I checked on my porter, 48 hours on fermentation with Wyeast 1968, bubbling away happily. My ferm chamber is a small chest freezer. Got a blowoff tube running from the top of the bucket ...
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2answers
2k views

What is the oily film on the top of my kit beer

I made a creme ale 10 days ago and I racked to the secondary after 4 days fermenting( don't ask ) . I tasted it yesterday and it taste very bitter with little to no flavor. When I transferred it to ...
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3answers
2k views

How long can I let my fermentation go in the original bucket?

I'm brewing a Belgian Tripel. I don't typically use a secondary fermentation. The Tripel however, is my biggest beer so far, and requires much more time. Should I transfer to a secondary? All I have ...
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5answers
2k views

Over attenuated all grain beers

I'm having a problem with all my beers regardless of style getting over attenuated. I've been raising my mash temps up to 4° above each beers style (up to 158° or so) to compensate with no luck. I've ...
3
votes
1answer
821 views

Why does the temperature of bottle conditioning determine the amount of priming sugar?

When using CO2 calculators or the nomograph on Palmer's site we see that depending on the temperature of your beer, you use a different amount of priming sugar in order to get the same effective ...
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4answers
4k views

Measuring yeast activity by collecting CO2

I've been thinking about ways to measure the progress of the primary fermentation, looking for an alternative to taking samples and measuring the gravity. I was wondering if anyone has tried to ...
6
votes
3answers
2k views

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 ...
3
votes
1answer
457 views

I moved a Kolsch to secondary after 4 days. Should I repitch yeast?

This is my first batch ever, a Kolsch from a kit. It fermented like crazy the first 2 days, but after 4 had stopped bubbling, so I moved it to a secondary container. As I was transferring, I noticed a ...
5
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3answers
2k views

How can I restart fermentation on a stuck strong dark belgian ale?

What can we do to restart fermentation that got stuck over the winter? Our club brewed about 7 gallons of this recipe in November. Primary went well, but then the weather got cold and the yeast went ...
9
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1answer
942 views

How does electrical conductivity of a fermenting liquid change over time?

Has anyone ever measured how the conductivity of fermenting liquids changes over time? I have a hypothesis that it does change over time, and that as the fermentation rates and stages change, so ...
4
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2answers
4k views

Why isn't my gravity increasing? Has fermentation stopped?

About ten days ago I transferred my homebrew (I'm new at this so for now I'm buying the kits) from the primary to the secondary. when I transferred it the gravity was reading 1.025 and it was bubbling ...
8
votes
4answers
410 views

Ideas for rescuing an under-pitched and under-hopped batch

A few batches ago, I had a "learning experience". I now have some pretty good ideas of where I went wrong (mainly, not having any idea how to design a recipe), but I'm wondering what I can do with a ...
5
votes
1answer
280 views

Berliner Weisse questions

I have a Berliner Weisse (1.035 O.G.) that has been fermenting on WLP630 (berliner weisse lacto blend) for about 5 days now. This is my first attempt at both a sour style beer and a starting gravity ...
5
votes
1answer
192 views

Flanders Red from Brewing Classic Styles

I am interested in brewing the Flanders red that is found in Brewing Classic Styles. Jamil mentions using the Wyeast 3763 or WLP655 and leaving it sit for a year until the pellicle forms then falls ...
2
votes
2answers
3k views

Premature Kegging - leave batch in keg or rack to carboy?

I kegged a batch of hefeweizen on Sunday morning and force carbonated. My all-grain recipe was a combination of several that I found online, but largely an original creation. The plan was to leave the ...
4
votes
2answers
1k views

Is this a stuck fermentation or did I screw up the mash?

So, a little under a week ago, I brewed a goodly sized stout (1.069 OG) and when I mashed it I ended up missing my mash temp by about 4 degrees. (I was aiming for 158 and ended up with about 162-163.) ...
0
votes
1answer
523 views

Slight fizz in beer after 6 days in the fermenter - game over?

I put a batch on last Sunday, started off with a crazy high reading on the hydrometer (around 1080 when I was expecting 1040ish according to the kit) - though I suspect that was because I drew a ...
4
votes
2answers
2k views

Yeast for very high gravity (1.138) stout

I'm planning to brew a very high gravity stout. I'm expecting an OG between about 1.118 and 1.138 depending on how much my efficiency suffers. I've done this before with decent results, but I think I ...
2
votes
1answer
656 views

Why are there flakes in my beer after 5 days?

I am currently brewing my first batch of beer and I have been checking on the temperature every day. Up until now the top of the beer looked normal and was fermenting as I expect. Today however, I ...
5
votes
1answer
526 views

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 ...
6
votes
2answers
3k views

Is it okay to move the beer while its fermenting?

I just started my very first batch of beer, so I am a big noobie. Earlier today I checked the temperature of the keg and it seemed a little high (74F) so I decided to try moving it somewhere else. ...
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2answers
448 views

Dry hopping at the end of fermentation?

First of all I know being impatient is not the way to approach brewing, but I would like to sneak my last batch (as well as the ones I had planned) into a PRO-AM comp in two weeks. I have an session ...
4
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2answers
497 views

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 ...
6
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1answer
1k views

Honey Post-Fermentation

Mosher has a recipe for a honey ginger IPA in Radical Brewing, where you add 2 lbs of honey and candied ginger to a secondary. Wouldn't this cause bottle bombs or be cloyingly sweet? I have an ...
2
votes
4answers
6k views

Is a normal plastic fermenting bucket with a plain lid (no kind of tap) OK to ferment in without the beer becoming contaminated?

It is my understanding that if one is fermenting (primary) with a bucket with a plain lid on it that it is necessary to leave a small gap (i.e. to leave the lid open a bit) Is this an adequate ...
5
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5answers
11k views

How much effect does light have on fermenting beer?

If I keep my fermenting beer in my living room, should I cover it with blankets or otherwise keep it out of the light? I've seen topics on brewing referencing this, but most just settle for "why take ...