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

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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 ...
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4answers
418 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 ...
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729 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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665 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
299 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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264 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
4k 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
354 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 ...
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580 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 ...
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580 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 ...
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2answers
606 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 ...
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584 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 ...
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125 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 ...
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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 ...
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1answer
288 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 ...
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2answers
235 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 ...
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1k 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
1k 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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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
1k 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 ...
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1answer
722 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
3k 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 ...
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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 ...
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1answer
371 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 ...
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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 ...
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719 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 ...
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3k 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 ...
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4answers
357 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 ...
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1answer
247 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 ...
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1answer
188 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 ...
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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 ...
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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.) ...
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1answer
462 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 ...
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2answers
1k 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
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1answer
533 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
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1answer
475 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 ...
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2answers
2k 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
381 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 ...
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2answers
436 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
931 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 ...
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4answers
5k 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 ...
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5answers
8k 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 ...
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5answers
10k views

How does lemon juice ferment into hard lemonade?

I'm interested in making a hard lemonade after my cider is done, but I'm having a tough time figuring out how the recipes I've found actually work, and what's the best way to ferment lemon juice. ...
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3answers
3k views

My cider stopped fermenting until I swished it around in the bucket a bunch, then continued. Is that normal?

My malted cider had been brewing after about a week in my plastic brewing bucket to the point where the little 'hat' thing in my airlock fell onto the 'neck' (no internal pressure). I opened it up ...
3
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1answer
2k views

Can a Beer Ferment Too Quickly?

My beer seems to be fermenting more quickly than predicted by the kit. The last beer I made was ready (with the correct final gravity) in just under a week rather than the 2 weeks predicted by the ...
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2answers
212 views

Fermentation Process

Good Evening Folks, Well...my first batch seemed to go pretty well. Within 24 hours it was bubbling pretty good. Now 72 hours later, the bubbling has become very slow I'm talking one bubble every ...
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2k views

Is there a good way to estimate/calculate volume lost in fermentation(s)?

Last night I bottled a batch and realized that I lost a significant volume from the boil size. In the primary, I filled my 6 gallon carboy, and after the trub lost in primary and secondary, I bottled ...
3
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2answers
472 views

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 ...
4
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1answer
385 views

contamination? what's this?

I brewed a hoppy red ale on Tuesday and pitched some washed wyeast 1084 into it that evening. I had an og of 1.070 and went ahead and put a blowoff tube on the fermenting bucket in case I had a huge ...
3
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1answer
559 views

Fermenting in 5 gallon PET bottles

Rather than buying buckets or carboys, I would like to use 5 gallon PET water bottles that I can get free from work (I verified they are PET with the "1" on the bottom). However all my extract recipes ...