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

learn more… | top users | synonyms

2
votes
2answers
1k views

Help! I added too much sugar for batch's recipe.

This is my first time brewing and my son didn't do anything to help matters. I was mixing my wort and was putting in the sugar. My recipe called for 1kg which is roughly 2.2 pounds, well lets just say ...
9
votes
2answers
2k views

Can we estimate the temperature rise in the primary due to fermentation?

OK, this is sort of cheating but I really liked this question so I thought I'd ask the question again in a slightly different way and try and answer it. I was wondering if we can actually estimate ...
4
votes
4answers
607 views

I might have pitched at too low a temperature

I brewed my first extract batch in awhile yesterday (5.5 gal Great Lakes Christmas Ale clone), and I feel I may have cooled it too much. I got 2.5 gallons of the concentrated wort down to about ...
11
votes
4answers
1k views

How many degrees will my carboy heat up as a result of fermentation activity?

Recipe calls for fermentation at 70 degrees, basement is 65. I know that fermentation produces some heat, so I was wondering if just letting yeast do its thing will be enough. Otherwise, do I need ...
4
votes
3answers
615 views

Secondary Fermentation - Gravity too high to bottle but it's not going anywhere

I have an Oatmeal Stout in the secondary fermenter (carboy) and it's been there for about a week. I checked the hydrometer reading this morning and it's at 1.020. The og was about 1.052, and when I ...
3
votes
1answer
4k 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 ...
7
votes
8answers
6k views

What's a good small-batch fermentation vessel?

After getting started with a few kits, I'd like to start experimenting a little bit. I'd like to start off with 1-gallon batches on anything I'm not sure about, though. I have a growler that I'm ...
8
votes
2answers
4k views

DIY Thermoelectric Cooler (TEC / Peltier) Fermentation Chamber

From a thermodynamics perspective, I realize that a TEC-based fermentation chamber is not the most efficient type of cooler due to very inefficient heat transfer, but, alas, I want to build one as I ...
4
votes
2answers
186 views

What can I do to ensure my high OG wort ferments well?

An Belgian Tripel recipe has caught my eye, but it looks like an imperial style. OG is estimated at 1.100+, and final abv is close to 11.5%. I'm planning on a Wyeast Belgian Ardennes yeast. My plan ...
3
votes
1answer
1k 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? ...
1
vote
2answers
384 views

Yeast on primary fermenting foam [duplicate]

Possible Duplicate: Day 2 of Primary Fermentation of beer Is this what it should look like day 2? I sprinkled the yeast on top yesterday, and today it looks like it foamed a bit and looks ...
1
vote
1answer
447 views

Day 2 of Primary Fermentation of beer

Is this what my primary fermentation should look like after a day??? It looks like my yeast has been sitting on top of foam..
6
votes
3answers
998 views

Effects of pectin

I often see recipes (usually for fruit mead or beer) warning against boiling fruit for fear that it will release pectin. I know that this is important for making jam, and bad for home brewing. What I ...
6
votes
2answers
303 views

what could be going on? 1065 to 1010 in 3 days and a half

This is just my first batch so I'm a complete newbie. I'm brewing a dry euro brown ale (grain + multiextract) and the temperature is between 57-67 f, but my bucket doesn't have a thermometer but I ...
6
votes
1answer
786 views

Cherry vinegar (was supposed to be mead)

Last week I started a cherry mead and discovered yesterday that it had turned to vinegar (and not even nice-tasting cherry-flavoured vinegar - it smelled and tasted awful, though the colour was ...
2
votes
4answers
5k views

Non fermenting cider

I extracted the juice and moved it to a container for two days(as per instructions)mixed the yeast with the sugar water and left for two days,then mixed together,but there was no fermentation,why ...
3
votes
1answer
293 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 ...
6
votes
1answer
387 views

primary fermentation of wine

I am mostly a beer brewer, but recently I have begun experimenting with fruit wines. In contrast to beer, the wine recipes I am using all say to do the primary fermentation with only a towel or other ...
8
votes
3answers
296 views

Priming Sugar Affect on Fermentation

I screwed up took a batch that had only been fermenting for 3 days and started to bottle it before I realized it was the wrong one. [link] During this screw up I ended up added the priming sugar then ...
8
votes
2answers
2k views

How do I decide if the beer is ready? Is my fermentation complete?

This is my first time brewing and I've followed the instructions from a kit. It says to leave the beer in the key for two weeks and its ready when it stops being cloudy. Its now been a little over ...
4
votes
3answers
203 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 ...
4
votes
2answers
484 views

Barleywine fermentation is slow. How can I speed it up?

My barley wine has been brewing for two weeks it should have be 1108 after 4-6 days its currently still fermenting at 1025.Its been at a constant temp of 22 degrees. However when yeast was added it ...
6
votes
2answers
714 views

Strong Sulfur from WLP 351 - how to clear it up quickly?

Does anyone have any tips for helping a beer clear out sulfur faster? - I made a straight Hefe (half wheat, half 2-Row) and use White Labs seasonal "Bavarian Hefe" yeast, WLP351. The beer was made ...
6
votes
3answers
761 views

Pitched unnecessary 2nd round of yeast - what will be the effects?

First off, a bit of background: This is my 3rd batch of homebrew so I am new to this. I'm using the following: Morgan's Golden Saaz Pilsner can of goo, Fermentis Saflager s-23 yeast and a brew ...
9
votes
6answers
7k views

Should I worry about blow-off?

I brewed a batch of IPA yesterday and when I checked on it today it had started to blow-off. There is so much pressure in the primary that it has spilled up through the airlock and is constantly ...
5
votes
3answers
5k views

How much distillers yeast do I use in a 5 gallon batch of beer?

The recipe I'm working on calls for the use of distillers yeast half way through my primary fermentation (among other things like plenty of sugar, aeration, etc...). Problem is, it doesn't really ...
2
votes
2answers
562 views

Check if fermentation has occurred.

I brewed an ESB from extract just before the weekend and then got called away this weekend and wasn't able to make any observations for the next 3 days. I checked after 12 hours and didn't see any ...
3
votes
1answer
698 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
966 views

Best practices when adding sugars during the fermentation process

I'm looking to take on a challenge of brewing an ale that is going to range between 14%-16% ABV, and among the many different steps, the most interesting is the inclusion of Demerara sugar and cane ...
5
votes
1answer
268 views

Ramping temperatures during fermentation

What is the appropriate way to ramp temper when say brewing a Belgian beer? Would I expect to have off flavors from the higher temps? What's the best range for ramping? Do I actively manage the temp ...
6
votes
1answer
294 views

Steps in Secondary Fermentation

I just picked up my Better Bottle Carboy... and will be racking to it in a few days. I have a few questions to ask since I did not use a secondary during my first few batches: 1) Do I add yeast at ...
12
votes
2answers
1k views

Fruit beer: should I allow it to ferment out completely?

I have a wheat beer in secondary that has been on 5 lbs of strawberries for 6 days. The flavor is phenomenal right now, just perfect. The strawberries continue to ferment actively, and I want to ...
5
votes
2answers
908 views

Bubbling suddenly stopped - is this a problem?

This is my second home brew. I chose "Coopers Mexican Cerveza" with "Muntons Beer Enhancer". It's only day 4 out of 7 weeks but on the second day, the whole bin warmed slightly and there was a lot ...
7
votes
4answers
2k views

Brewed beer turnaround time

As homebrewers why do we take longer to ferment our beer than what seems like the time-line at the commercial/pro level. Everytime I take a brewery tour or a listen to a podcast that interviews a pro ...
5
votes
2answers
1k views

Diacetyl Rest for Wyeast 2206 Bavarian Lager

The Wyeast website seems to strongly suggest a diacetyl as fermentation completes with their Bavarian Lager strain, 2206. I prefer to chill my wort to below fermentation temps prior to pitching the ...
3
votes
4answers
733 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 ...
2
votes
4answers
655 views

Longest time in carboy?

I've been extraordinarily lazy lately and have kept 2 of my beers sitting around for some time. What is the longest you've kept your beer on primary and still had good results? I'm hearing arguments ...
7
votes
2answers
1k views

Do commercial breweries stir in their fermenters to expose more yeast to the wort?

I noticed that ale yeasts, so called top-fermenting yeast, floats to the top. Does this mean that the yeast only works on the wort near the top of the fermenter? Assuming that no oxygen or bacteria ...
2
votes
2answers
160 views

Does no visible fermentation mean I have a bad batch?

I have a 1-gallon kit from the Brooklyn Brew Shop (don't laugh; I'm a total n00b). I have a batch of the Chestnut Brown fermenting -- but there is no visible fermentation at all. While I had the ...
1
vote
1answer
312 views

End of Fermentation?

I emailed this to the Mr. Beer beermaster, but I figured I'd ask here as well. For my Doppelbock 7.0, this Sunday will make it 3 weeks in the keg for fermentation. The previous beer I made was a pale ...
4
votes
2answers
325 views

Has anyone ever had problems with a 2 day diacetyl rest at room temperature?

Say 70 - 74°­F (21 - 24°C) I normally do what the books say and rest somewhere in the 60s but this means brining my fermentation freezer up to that temperature. I am mostly an Ale brewer so normally ...
3
votes
2answers
348 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 ...
2
votes
2answers
487 views

Is primary fermentation finished?

I'm making a doppelbock with an ale yeast, so I'm fermenting in the mid- to upper 60s. It's 11 days in and all the krausen is gone. The top is speckled with what appears to be bright white yeast ...
4
votes
2answers
1k 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 ...
5
votes
2answers
143 views

Does wood affect final gravity readings?

For beer aged either in oak barrels or on oak chips/cubes, does the contact with the oak noticeably affect final gravity, and if so, what is the direct cause?
5
votes
2answers
274 views

First Fermentation And Worried Something Is Wrong

I am doing my first fermentation using a Belgian Ale kit. I started this Monday evening and have it in a location that is running between 64 and 66*f consistent. On the first night, the cap of the ...
3
votes
3answers
1k 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 ...
5
votes
4answers
187 views

Fermentation locations

Where is the ideal place to ferment my beer? Possible locations for me are: Extra room inside Garage Back porch Of those three places, which would be the best overall place?
2
votes
3answers
825 views

Wyeast 3944 Slow to Work

I wanted to see if anyone else had this experience - I'm on my second batch of a Wit bier with this yeast and have noticed that in both scenarios - after two weeks the Krausen has not fallen. The ...
10
votes
1answer
812 views

Home brew, acetylaldehydes and hangovers

Both me and my gf noticed that my home brews (even just 1 or 2 a night) cause a fairly noticeable headache in the morning compared to commercial brews. God forbid you get drunk on it, the next ...