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

learn more… | top users | synonyms

4
votes
2answers
584 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 ...
4
votes
1answer
2k views

Effects on homebrew from Fluoride in tap water

I live in a city that puts fluoride in the drinking water. I am in the habit of boiling all water before storing it (and allowing it to cool) for brew day. Will fluoride effect the brew in any way? ...
4
votes
2answers
3k 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. ...
4
votes
2answers
1k 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 ...
4
votes
1answer
67 views

Brewing aboard a boat

Are their any sailors here who also Brew beer and wine? That's not really the question though. My question is, under the conditions of a sea going vessel, is it possible to brew beer and wine and what ...
4
votes
3answers
89 views

Do I need to sanitize my cacao nibs?

I will be adding half a pound of cacao nibs to my stout here in a few days. Since the beer will be almost fully fermented at that point is it necessary for me to sanitize the nibs before adding them? ...
4
votes
3answers
121 views

Dynamics temperature measurement

We fight to keep the fermentation temperature controlled, usually constant, but the fermentation is an exothermic activity, so in one side we try to remove energy, and in the other (inside, mainly in ...
4
votes
2answers
570 views

What's the difference between top fermenting and bottom fermenting?

Some friends and I are attempting our first home brew. When the question came up I couldn't answer except to say that lagers are one and ales are another. I understand the some of the basic principles ...
4
votes
1answer
143 views

Is this pediococcus contamination('infection')?

A berliner weisse we forgot to bottle for around a month and a half. Did not introduce pediococcus or lactic acid in the fermentation. Did a sour mash before the boil so lactobacillus shouldn't have ...
4
votes
1answer
832 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 ...
4
votes
1answer
1k 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 ...
4
votes
2answers
2k views

What are the best ways to regulate temperature while fermenting? [duplicate]

Possible Duplicate: [WIKI] Fermentation Temperature Control Methods So far I've made about 3 different batches of beer. Two came out good, one, not so good. I think it had to do with the ...
4
votes
1answer
2k 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 ...
4
votes
2answers
5k 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 ...
4
votes
1answer
290 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 ...
4
votes
3answers
76 views

Wine Quality Sensor

I am an engineer who's built a wine quality detector. My sensor can pick up a wide variety of chemicals at levels as low as parts per million (ppm). With no background in wine production myself, I ...
4
votes
2answers
726 views

Fermentation Done After 2 Days?

So this is a weird one. 3 weeks ago I made an Xmas beer. I brewed it, pitched the #2 yeast, and put the carboy in my cold dark room (about 70 F) to ferment. The fermentation and krausen began about ...
4
votes
2answers
639 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
votes
3answers
245 views

Referment after Adding Priming Sugar

So I accidentally grabbed the wrong fermenting carboy today, this one started fermenting 3 days ago, but already has a gravity of 1.010 (it got a little warm up to 78F). Before we noticed it was the ...
3
votes
3answers
291 views

What are all the factors that contribute to short fermentation time?

I've got an event coming up and I've got one beer that I'm going to bring, but I'm thinking about brewing another. If I do that, I need to turn it around in about two weeks. Which is probably too ...
3
votes
5answers
686 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 ...
3
votes
1answer
170 views

does the fermenting process always produce enough gas to bubble the airlock?

does the fermenting process always produce enough gas to bubble the airlock? this batch has not bubbled (over 24 hrs)and the last batch I brewed did not bubble much at all but turned out alright.
3
votes
2answers
2k views

Why is my attenuation so low?

Here's the recipe: > Recipe Specifications > -------------------------- > Boil Size: 7.37 gal Post Boil Volume: 6.38 gal Batch Size (fermenter): 5.50 gal Bottling Volume: 5.50 gal > ...
3
votes
2answers
917 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 ...
3
votes
4answers
132 views

My beer is at the fermenting stage but it is not vigorously bubbling

I brewed beer for the first time two days ago using Brooklyn Brewshop kit using their Oatmeal Stout recipe. Now I am at stage 4 "Fermentation" but I don't observe a vigorous bubbling, just a bubble ...
3
votes
3answers
173 views

At what point in fermentation does temperature no longer influence flavour?

I often read about ramping up the temperature to increase yeast activity and attenuation towards the end of fermentation. I used to have some really funky tasting brews before I started strict ...
3
votes
2answers
1k views

My first beer brewing smells like Cider!

My beer has started smell like cider on second day. Temperature is fine and hydrometer readings normal.it looks ok too. Nothing suspicious other than it now has no head. Today is now the 6th day in ...
3
votes
5answers
1k views

after fermentation (carboy) if I put it in the fridge what do with the air-lock?

listening to an interview with John Palmer he suggests putting the fermentation vessel in the fridge (after fermentation is complete) to drop out some left over trub and yeast. I figured I would give ...
3
votes
3answers
2k views

my airlock is not bubbling after 4 days on the secondary fermenter in a carboy.

Im brewing a belgian wit and have not seen any action after putting it in the secondary fermented in the airlock. The hydrometor showed after the first fermentation a 1.12. Should I leave it alone or ...
3
votes
4answers
145 views

Best size carboy for brewing beer?

I recently fermented a batch of beer (5 gallons) in a 7gal carboy, which left about 2 gallons of space above (assuming you filled it all the way to the top). I also have a 5gal carboy, but that would ...
3
votes
1answer
482 views

How long to keep in blowoff tube?

Today I learned what happens if there's too much yeast and a container too small (I have a 1 gallon batch). So according to instructions I sanitized a hose and connected the hole in the fermentor and ...
3
votes
2answers
16k views

No Bubbles and No Foam after 3 Days

First time brewer here. I'm concerned my batch is not progressing as it should. Here's a quick run down of what I've done... I put my batch (which had a SG of 1.044) in the primary fermenter on ...
3
votes
3answers
1k views

Drink made from fermented lemons?

I had a neighbor who would bring out a large, 5-6 gallon? glass jar full of lemons(not sure what else was in there) outside for a little bit a few times a week. I know he was making some kind of ...
3
votes
2answers
85 views

Yeast not settling or contamination?

Having trouble understanding what I'm looking at here (see pic): http://imgur.com/1OH9TQj Made an Amber ale with LME and used Wyeast 1332 Northwest Ale. Racked to secondary after 2 weeks to get ...
3
votes
2answers
4k views

How to Properly Increase the Temperature of a Batch after Primary Fermentation

I've read tidbits how that after the first 3 days of fermentation, you would ideally raise the temperature of the carboy for the remainder of the brew. How, exactly, does one do this? Say the Wyeast ...
3
votes
2answers
1k views

Wyeast 2124 Bohemian Lager for Bock - too late for diacetyl rest?

I really wasn't ready to do a lager, but I wanted to do a Bock, so I requested California Lager yeast. My supplier failed to make the substitution and sent me home with Wyeast 2124 Bohemian Lager. I ...
3
votes
2answers
143 views

Too late to move a brew?

I brewed an IPA yesterday. All went well and it is bubbling away today. However, my friend's brewing fridge/fermenting chamber just freed up and he suggested putting my brew in there. It would ...
3
votes
5answers
4k views

Measuring specific gravity without sampling

Is there any way, I can measure SG with a sensor of some kind? I guess I'm not REALLY after SG, but rather a way to determine that fermantation is done, without sampling. I would very much like hook ...
3
votes
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 ...
3
votes
1answer
3k 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 ...
3
votes
1answer
218 views

When is it okay to bottle?

I've brewed literally dozens of Beer House brewkits, but I'm waiting on a Winterfest Ale kit that just won't seem to completely stop secondary fermentation...every other time I made these kits, ...
3
votes
2answers
8k views

Making wine from concord grape juice

I'm just about to start my first attempts at wine making. We bought a gallon of organic, concentrated, concord grape juice to use for some other recipes and I have so much left over that I'm going to ...
3
votes
3answers
92 views

How much does oxygen exposure to wort affect yeast being aerobic or anaerobic?

To the best of my understanding of making beer, wort must first be properly aerated to provide oxygen for the yeast to multiply when first added to the wort. After all the oxygen is consumed, the ...
3
votes
2answers
96 views

Is there a benefit in rising fermentation temperature for dark ales?

I am making a porter, and just started fermentation a couple of days ago. I have never manipulated temperature before, but have read that this is vital when making pilsners, so got curious. Is there ...
3
votes
2answers
125 views

Total Cider Noob Move

Following instructions from the Portland Mercury on homebrewing cider, I pitched a whole 5 gram packet of champagne yeast by mistake in my 1 gallon brew. It says that the packet makes a 5 gallon ...
3
votes
2answers
233 views

What happens if beer ferments below the optimum temperature?

I am currently brewing an Irish Red Ale. I went away for a few days, and when I got back I discovered the heater had broken at some unknown time. As a result, the ambient temperature dropped to about ...
3
votes
3answers
6k views

Adding water to wort to get desired volume

I have always been curious about the practice of making a 3 gallon wort and then topping it off with water to make 5 gallons to ferment. I might be doing it wrong, but I add my cold, filtered water ...
3
votes
3answers
128 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
973 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 ...
3
votes
1answer
863 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 ...