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

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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 ...
4
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2answers
589 views

Safely adding enzymes (e.g. Beano) to lower final gravity

I've heard a lot of mixed stories about people adding additional enzymes (Beano, GasX, etc) to their beers to drop the final gravity down very (sometimes undesirably) low. I've also hear mixed ideas ...
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4answers
13k views

How do I avoid airlock foam overflow? Does it affect the fermentation process?

During my last small batch brew, American Wheat from Northern Brewer, I came home to find that the foam in the 1 gallon carboy had overflowed the three-piece air lock (which was a mess to clean out). ...
3
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5answers
492 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 ...
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1answer
45 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.
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2answers
1k 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 > ...
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5answers
13k 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 ...
3
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2answers
815 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 ...
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2answers
423 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 ...
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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 ...
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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
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1answer
392 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
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3answers
939 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
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2answers
775 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 ...
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2answers
139 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 ...
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5answers
3k 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
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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 ...
3
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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 ...
3
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1answer
182 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
146 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
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2answers
2k 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 ...
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3answers
3k 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 ...
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3answers
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 ...
3
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1answer
779 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
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1answer
636 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 ...
3
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1answer
6k 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
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1answer
89 views

First time making beer

I'm living somewhere possessing and trading alcoholic beverages is illegal and that is why I'm making my own. I can find some russian beers here which according to what is sated on the can, they ...
3
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1answer
324 views

cider with brett?

Got a great deal ($! per) on half gallon jugs of Ryan's cider. I bought everything the store had (7 gallons of "spiced" cider and 3 gallons of standard cider). I plan on making three batches with ...
3
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1answer
3k 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 ...
3
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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? ...
3
votes
1answer
899 views

Fermentation Activity in the first few days

I know a variant of this question has been asked a million times, but can someone let me know if this behavior is "normal" for a brew? I'm using Northern Brewer's Caribou Slobber Brown kit. I brewed ...
3
votes
1answer
239 views

Will blending a highly attenuating yeast with a highly alcohol tolerant yeast cleanly lower the final gravity in a very high gravity ale?

I've brewed some ridiculous beers in the past, my highest original gravity resulting in over a final 18% ABV using WLP099 yeast. That particular beer turned out well for how inexperienced I was when ...
3
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2answers
3k views

Does temperature during bottle conditioning effect the flavour?

I made a Weis beer and my primary fermentation temp was 19C. After 2 weeks I mixed priming sugar into my beer and bottled it. I then conditioned the bottles for a week at 21C. I know when in primary ...
3
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2answers
2k views

Ginger beer that lasts

I want to make a batch of alcoholic ginger beer. However, I know from past experience that one problem with ginger beer is that the bulk of the fermentation happens in the bottles, and I can't drink ...
3
votes
1answer
555 views

How little light can spoil a beer?

I build a fermentation chamber that has a small computer fan that is equipped with tiny blue led lights. Is it only UV light that can skunk a beer? What would the effect of this frequently run fan ...
3
votes
1answer
425 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 ...
3
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4answers
1k views

Will rapid ambient temperature drop kill yeast or just slow them down

I have just put on my first all grain homebrew (a porter) here in Melbourne, Australia. After a day or so it was bubbling away quite nicely. A couple of days ago the weather decided to change ...
3
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2answers
1k 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 ...
3
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5answers
2k views

Using champagne yeast

I would like to make an IPA that is very bubbly and dry like a champagne. I'm assuming to get it really bubbly I would just bottle with champagne yeast, but to achieve the dryness would I also ferment ...
3
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2answers
94 views

Spunding CO2 from 3 keg fermentors

I'm starting to ferment in kegs, and want to naturally carbonate my beers by using a spunding valve. My batches yield 3 kegs, and I'm already using a 4º keg to aerate them after no chill and after the ...
3
votes
1answer
346 views

Controlling exothermic heat from primary fermentation with A/C cooling duct

In terms of brewing with Ale yeasts, I understand that fermenter temps can increase up to 10 degrees, or more, than the ambient room temperature. As a "cheap" method for keeping the temperature of the ...
3
votes
1answer
807 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 ...
3
votes
2answers
471 views

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 ...
3
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2answers
374 views

Rescuing a weak lager fermentation

I'm currently fermenting a spiced dark lager with an original gravity of 1.064. I began fermentation 2 weeks ago today with a White Labs 830 yeast that I made a starter with. The yeast was a bit old, ...
3
votes
2answers
512 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 ...
3
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2answers
388 views

Does the length of a diacetyl rest matter?

Does a diacetyl rest for a week or more adversely affect the beer in any way? With our busy lives it's easy to forget about a batch for a few days (especially when it's in the dark recesses of a ...
3
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1answer
234 views

What effect does the alkalinity of wort have on the fermentation cycle in beer brewing?

What effect does the alkalinity of wort have on the fermentation cycle in beer brewing?
3
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1answer
420 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?
3
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2answers
500 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 ...
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8answers
129 views

Rubber bung keeps getting out

I'm using rubber bungs (with airlock) for my 5l glass carboys, I just got the carboys so it's my first time fermenting in them. I have a problem that rubber bung keep getting out because of the CO2 ...