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

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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 ...
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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? ...
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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 ...
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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 ...
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793 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 ...
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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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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 ...
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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 ...
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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 ...
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287 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 ...
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52 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 ...
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122 views

Is this a pediococcus 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 ...
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601 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 ...
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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 ...
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240 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 ...
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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). ...
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275 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 ...
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651 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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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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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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904 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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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 ...
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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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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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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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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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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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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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 ...
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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 ...
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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
213 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, ...
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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 ...
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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 ...
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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 ...
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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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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
932 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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799 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 ...
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Temperature probe placement

I just built a fermentation chamber and bought a brew belt and a cheap thermostat on ebay to try to control the fermentation temperature. My main concern is, where do I place the probe in order to ...
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1answer
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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 ...
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1answer
417 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 ...
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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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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? ...
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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 ...
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1answer
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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 ...