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

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1answer
797 views

What's a good breakdown of all the sugars in regards to brewing?

I'm a little confused when it comes to sugars. It seems like there are a lot of different kinds and they come in many different forms. What affects to different sugars have on brewing? Do they ...
6
votes
5answers
3k views

Fermenting Soda

Years ago I attempted to ferment Mountain Dew (about a decade ago so my recount of the details may be a bit off). My goal was to have a drink with similar carbonation, similar flavor, and reasonable ...
4
votes
2answers
258 views

Looking for a relatively low attenuating yeast with distinct Belgian flavors.

I'm working on a recipe for a Baltic porter but would like to ferment it with a stran that produces distinct belgian flavors. The problem is that most of your belgian strains are too high attenuating. ...
6
votes
5answers
2k views

How are 10-gallon batches commonly fermented?

Currently I brew 5-gallon all-grain batches using my propane burner and 7.5-gallon brew pot. I've been considering buying a bigger pot and building a bigger MLT to do 10-gallon batches, but I'm not ...
5
votes
4answers
648 views

Reusing Yeast From previous Fermentation

When I finish fermentation I am left with a large amount of extra yeast in the bottom of the carboy. Can I reuse this yeast in any way? Hopefully to avoid buying yeast again every single batch?
6
votes
5answers
3k views

How do you tell if your fermentation is stuck?

How long do you wait before taking corrective action if your fermentation doesn't start? Are there any other good ways to tell if it's just taking a while to get going?
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votes
7answers
31k views

If/When to move to secondary fermentation

Digression from What's the point of secondary fermentation? What are the good rules of thumb for determining a. whether to use secondary fermentation at all and b. when to move from primary to ...
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vote
3answers
316 views

Sloe wine: going very slowly

Having started enough sloe gin this year to last a decade, I decided to use the rest of the fruit to brew some sloe wine. I'm new to brewing, and this might seem like an odd choice, but I have high ...
38
votes
3answers
6k views

What's the point of secondary fermentation?

I've always bottled directly after the primary fermentation has finished. What's the point of the secondary fermentation? Can I use a bucket or is it something that really necessitates a glass carboy? ...
10
votes
4answers
1k views

Should you rehydrate dry yeast?

I've read conflicting opinions on whether or not to re-hydrate dried yeast. I've had successful fermentation with dried yeast in the past but have not tried re-hydrating. Has anyone had better/worse ...
4
votes
6answers
543 views

What type of beers stand up to temperature variation during fermentation?

I've just moved from a Condo into a house, where I am now paying for heat. In the area that my Domestic Sergeant Major has permitted me to brew in, the temperature varies from 16° to 21° C throughout ...
4
votes
2answers
880 views

Primary fermentation taking a long time

I brewed a California Common recipe that I've used successfully in the past on 10/15. I used Wyeast 2112 and made a starter that got going pretty well so I was feeling good about the brew. It's been ...
3
votes
1answer
708 views

Is my lager done fermenting? More yeast?

I put my lager in the primary fermenter roughly 30 days ago. The original gravity was around 1.060 and 5 days ago when I took a reading it was at about 1.013. Today it's at 1.012 - so it doesn't ...
4
votes
1answer
1k views

What “problems” can I have if I bottle just one week fermented beer?

last Saturday (11/09/2010) I brewed a Blonde Ale and pitched US-05 yeast. Today there are only few bubles in airlock, so I think since Blonde Ale is a simple style I could bottle in next Sunday ...
5
votes
2answers
1k views

Is it possible to make a lager without secondary fermentation?

I've already made some batches of all-grain ales, and now I want to try my first lager, the only problem is that I have 2 fermentation buckets but only 1 fits on my refrigerator. So my question is: is ...
6
votes
2answers
432 views

Brett: Primary or Secondary

What are the differences between fermenting a beer solely with Brettanomyces (or some blend of sour yeast) versus adding it to the secondary after primary fermentation with a non-sour yeast?
3
votes
1answer
402 views

What is a swamp cooler?

What type of equipment do you need to build one? How do you use it? What are the realistic expectations of using one?
2
votes
2answers
706 views

Which fermentation temperature should I favor?

I am doing a dual brew this weekend. First up will be my Engine 97 Steam Beer (aka California Common - see recipe here: http://www.lootcorp.com/recipes/engine-97-steam-beer.html - credit for original ...
3
votes
2answers
481 views

Open Fermentation Process

Can open fermentation be done simply by putting the fermenting beer in a bucket carboy and covering it with foil? The purpose of the foil would be to just keep airborne contaminants from falling into ...
4
votes
2answers
339 views

Did I Break My Airlock?

I don't really know what I did here. I cut off the bottom little cross guy on the stem of the airlock because it was getting clogged up during vigorous fermentations. Now the middle piece just kind of ...
3
votes
5answers
10k views

What to do with a stuck fermentation after 2 days with my first beer kit?

I am trying my first beer kit after trying wine once before. I picked up a "Summit Avenue EPA" clone of Summit EPA from Midwest Supplies. On Monday I did the 60 minute boil, cooled everthing to ...
5
votes
1answer
2k views

Time It Takes Brett C to Ferment

So I have this idea where I want to thread a citra-laden Belgian IPA with a pineapple beer fermented with Brett C and Brett C only. Does anyone have any experience using Brett C and can speak to how ...
3
votes
2answers
809 views

Fermenting 1/2bbl and 1bbl batches

As I start planning my pico brewery, I've been thinking about fermenters. I'd love some thoughts on ways to ferment 1/2 and 1bbl (15.5 - 31 gallon) batches. Options for when price is and is not a ...
6
votes
3answers
965 views

Using commercial (breakfast) cereals in a mash

This question looks similar to Using flakes in a mash, but is not actually the same. I was thinking, if someone runs out of maize flakes, and definitely wants to use some for his mash, what happens if ...
2
votes
2answers
981 views

homemade wine problem

My question is in my primary fermenter. If the airlock is not bubbling does that mean its not fermenting. I have two on the go one is bubbling and the other one is. What should I do?
12
votes
3answers
2k views

Should I ferment a new batch directly on the yeast cake generated by the previous batch?

I'm going to re-use the yeast cake from a low-gravity batch to ferment a high-gravity batch. Can I just put the wort directly on it? Does it then need to be agitated? Is it worth the risk of ...
7
votes
3answers
2k views

Why is it bad to pitch too little yeast?

What are the effects of underpitching your beer? We have an answer for over pitching, I think we need the complete set.
11
votes
1answer
3k views

Why is it bad to pitch too much yeast?

What are the effects of over-pitching? Where is the line for, say, a 1.050 beer? There is also a question for to under-pitching.
7
votes
2answers
1k views

Dry hopping without secondary fermentation

I have so far only done bottom-fermented beers without transferring into a second vessel for secondary fermentation. If I wanted to do some dry hopping with this technique, when is the best time to ...
8
votes
1answer
5k views

What is a proper blow-off tube setup?

36 hours ago I brewed a BIG red ale and pitched some kick-ass WLP001. The picture on the left is what I had late last night (24 hr in). Made me a little nervous. And this morning the krausen had ...
21
votes
4answers
638 views

Open-Fermented or Native Yeast Beers

I've always been very careful about control and sanitation with beer. But with my wine I do some native yeast Pinots, and some friends of mine are into the same with beers- they like funky, ...
4
votes
2answers
3k views

Stuck or Slow Fermentation

So I have my first possible stuck fermentation. First, my recipe: http://hopville.com/recipe/166971/extra-special-strong-bitter-english-pale-ale-recipes/shoals-pale-ale-clone I pitched with two ...
5
votes
2answers
640 views

Brewing with veggies

This may be more of a wiki than a specific question, but has anyone ever tried brewing with vegetables? If so, what is your experience? I'm considering mostly root vegetables. carrots, beets, ...
6
votes
3answers
2k views

How do I predict final gravity?

I've been taking the original gravity and multiplying the apparent attenuation of the yeast. For instance: 1.040 OG x 75% apparent attenuation = 1.010 expected FG But I never seem to get there. My ...
5
votes
1answer
922 views

Substituting brown sugar for corn sugar

An apfelwein recipe I've made in the past calls for 2 lbs of corn sugar for primary fermentation. The next go-round when I make a batch, I'm thinking of substituting some brown sugar (not a lot, ...
5
votes
2answers
4k views

What do I do about beer coming out my airlock?

Brewed a Northern Brown extract kit on Saturday, hit the target OG. Pitched yeast a little cold (63F), but activity was in full swing by yesterday morning. Woke up this morning (Monday) to find that ...
11
votes
2answers
381 views

What is attentuation?

What is attentuation? How does it effect beer flavor and quality? How is is calculated and why do I need to know it?
4
votes
2answers
1k views

WLP001 v. WLP051

WhiteLabs provides these two great American Ale yeast strains (among others). WLP051 (California Ale V yeast) and WLP001 (California Ale Yeast) What are the differences in these two strains and what ...
7
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3answers
2k views

Should I purge my carboy with CO2 before racking to secondary?

I'm thinking this might help prevent oxidation.
6
votes
2answers
747 views

Should secondary fermentation be the same temperature that primary was?

Or is it okay for the secondary fermentation to be colder than primary?
4
votes
1answer
263 views

Using hops after fermentation

Let's say you have already put your beer into your fermenter and you decide its taste is not hoppy enough. So you start out to add some more hops into it. One way to dry hop, but I will not expand ...
7
votes
9answers
1k views

Small Space & Apartment Brewing: Fermentation

Given the limited space of an apartment, what do you do to maintain a steady fermentation? Do not consider budget to be a factor. This is the sixth question in a series of discussions about ...
6
votes
3answers
8k views

At what temperature should a lager be fermented?

When fermenting a lager, what temperature should it be held at for best results?
4
votes
2answers
1k views

Is it okay to ferment a 5 gallon batch in a 14 gallon conical fermenter?

I am considering getting a either a 7 gallon or a 14 gallon conical fermenter and am wondering if it would be okay to ferment a standard 5 gallon batch in the 14 gallon or if that would be a bad idea. ...
2
votes
1answer
826 views

Corny keg fermentors

I had been thinking about using a couple corny kegs as fermentors. Maybe even trimming up some dip tubes to be able to CO2 push finished beer out of the kegs to clean serving kegs. Here are some of ...
11
votes
5answers
5k views

Early vs Late secondary fermentation

When do you start your secondary fermentation? Some people wait until the bubbles of the wort stop completely, others leave the wort in the fist fermenter for 3-4 days and then move on to secondary ...
12
votes
6answers
4k views

Glass Carboy vs. Better Bottle

I recently broke my 6.1 gallon glass carboy that I used for primary fermentation. I need to buy a new one, and I'm considering a "Better Bottle" carboy. Its claims include: **Unbreakable and ...
4
votes
4answers
9k views

Ale Fermentation Temp. Too Cold?

Recently, I've had a streak of hot fermentations. My primary vessel nears 80º, and sometimes more. With my latest batch, I've moved to a much cooler part of the house. I expect it to consistently ...
3
votes
2answers
715 views

Gooey Yellow-White film after fermentation slows when using lactose

I currently have a Young's Double Chocolate Stout clone (extract & specialty grains) in the primary. I got the recipe from one of the responses to this forum question. (You have to be logged in ...
2
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2answers
413 views

Fermentation Issues???

Fermentation Help I have need some thoughts on what I should do with this batch of beer. I am brewing a clone kit which is called Belgium Wit. The directions were a little off based on the equipment ...