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

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Must won't ferment, too sour?

I prepared a must for a mead last weekend (recipe below) and after a whole week there has been no fermentation activity. I took a pH reading and it came in at 4.4 - is it likely that the must is ...
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11 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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1answer
16 views

secondary or not? [duplicate]

Another noob question. I have been going back and forth on "im going to secondary my double IPA" and "Im just gonna leave it primary til completion" I keep reading contradicting theories and It's ...
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3answers
74 views

My elderflower syrup has (unexpectedly) started fermenting. How should I handle this to obtain something drinkable?

About 10 days ago I made some elderflower syrup. I used: 350g of elderflower 6 liters of water 8kg of sugar 160g of citric acid 12 lemons cut in pieces I left everything macerate for 2 days and ...
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1answer
24 views

wine left to ferment

I have been given some more wine stuff to add to my collection. In the goodies there are 2 fermenting bottles with wine in it.(strawberry wine) they have been in the bottles just over 4 years . I was ...
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3answers
122 views

Is oxygenating after brew day okay?

If you don't oxygenate on brew day, is it too late or can you oxygenate late? If so, are there limits?
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0answers
13 views

What is the purpose of secondary fermentation and is it necessary? [duplicate]

I've just started with homebrewing, i've made my first batch of extract over the weekend. I'm just wondering what secondary fermentation does, and is it necessary. The instructions that came with the ...
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3answers
141 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 ...
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2answers
93 views

Blending beer DURING fermentation, in the hopes to get beer back in balance with hops

I brewed an IPA intended to blow my hop socks off and missed my target OG by 20 points. DETAILS: Built this recipe in BeerSmith with an intended OG of 1.070 and IBU projected at 156. I pitched a 1000 ...
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1answer
63 views

Fermentation Temperature

I have a quick question. I've been looking for an answer, but didn't find a clear answer. So, I'm making an IPA. Right now the air temperature in my closet where I keep the carboy is 67-68F. This is ...
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2answers
44 views

Why is the primary stage of fermentation of wine important?

Senior chemistry student, whilst I know the main reason, I would like to know more of the chemistry behind it.
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3answers
123 views

What's wrong with my gravity?

I recently brewed an Imperial Red. It clocked in at around 1.072 on original gravity reading. My malt bill looked something like this: 12 lbs 5.0 oz Pale Malt (2 Row) US (2.0 SRM) 11 lbs Marris ...
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1answer
55 views

How will this beer turn out?

I brewed my first all grain beer on Sunday; everything went well barring one leaky tap and a slight blockage on the tap in my kettle due to a poor hop filter. It is supposed be an IPA style beer using ...
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2answers
113 views

DIY Fermentation Chamber. Dual Zone Question

I am building a fermentation chamber and I was wondering if there is a way to have two zones but only use one cooler? My thinking is have two of everything except the cooler. So there would be ...
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3answers
102 views

Can I add hops and sugar to fermenting beer?

just would like to know if its possible to brew a beer over multiple weeks.I was thinking of brewing my next beer by adding a different hop every week for 3-4 weeks.And at each time adding more sugar ...
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2answers
67 views

A side by side comparison of open vessel vs closed vessel natural temp rise during fermentation

Would an unjacketed open fermentor, ferment cooler than an unjacketed closed system, given everything else equal. The idea being the ease of releasing strain and pressure on the yeast in an open ...
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5answers
99 views

can I top off at 5.25 gallons instead of 5?

I have been brewing extract kits and was wondering if it'd be al right to top off at 5.25 gallons? Directions say 5 but I have never kegged a full 5 gallons, was hoping the extra quarter would get me ...
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2answers
79 views

What would happen if you took raw grape juice and covered but did not refrigerate?

I'm curious about something that maybe someone can answer from personal experience. If I took red or concord grapes, crushed them, filtered the juice, covered it and stored it at an average ...
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1answer
85 views

I don't know what I've got or if it's drinkable?

for several months now I have been squeezing my ripened citrus and storing it in an air tight bottle in the fridge. I drink or add it to something from time to time and continually add juice to it. ...
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1answer
102 views

Fermentis S04 vs.S05

I am trying dried yeast for the first time. I did up 100 litres of English IPA yesterday and I pitched 2xS04 into 50 litres and 2xSO5 into 50 litres. Anybody want to hazard a guess at the ...
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3answers
212 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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3answers
39 views

Fermentation issue - Airlock overflow [duplicate]

I'm brewing my first batch ever, we did our best but something is going on in the fermentation and I'm not sure what it is. Here is a 30 sec video of the issue: ...
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1answer
55 views

Optimum Fermentation Temperature

I am planning on brewing a wheat beer with Danstar Munich Wheat Beer Dry Yeast. I didn't realize until I had already made the purchase that the optimum temperature for fermentation was 55-65. I don't ...
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0answers
25 views

No Activity or Krausen [duplicate]

Something that has never happened to me. Brewed early Sunday and hit 80+% efficiency. I used Wyeast London Ale that was fully bloated when pitched. Over 36 hours later zero activity. No krausen, ...
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1answer
57 views

Soapy aftertaste in wine, fermentation temperature?

I generally find my homebrew wine (just from a regular kit) has a soapy kind of aftertaste. I'm wondering if this might be down to fermentation temperature or something, I'm taking as many precautions ...
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1answer
60 views

Ginger Bug Smell?

I've made a new ginger bug from some pretty old ginger. The ginger has been sitting on my counter long enough for some of it to actually sprout new shoots, but it smells fine and doesn't show any ...
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1answer
67 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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1answer
87 views

Estimating the ABV in finshed product

Is this a viable method?: In theory you can calculate an estimated ABV by using the formula 17*X%*YL. This means that 17 gr sugar produces 1% alc. in 1 liter mash. So if you know at what alc.% your ...
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2answers
49 views

How do we get this Imperial Wit to finish?

We brewed an imperial wit that wound up 1.070 OG. I used a 1.5L starter with Wyeast 3944, but I likely still underpitched. After a week fermenting at 68F/20C, gravity is still 1.035 and it's pretty ...
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2answers
56 views

Stalled Fermentation? Or too much body from high temp mash?

So I brewed a straight forward English style IPA with the following: O.G. 1.060 F.G. 1.015 (estimated from Beersmith) Current F.G. 1.020 10g Gypsum 11 lbs Maris Otter 1.5 lbs Crystal 30 1 oz ...
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5answers
287 views

Can I leave my hydrometer in the carboy to tell when fermentation is complete?

I was wondering if anyone leaves a glass hydrometer in their carboy during primary fermentation so that you don't have to take samples. I figured it would be an easy way to tell that the SG has ...
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2answers
124 views

Return samples from a fermtech wine/beer thief to a carboy

I just purchased this wine/beer thief so that I can take more regular samples over the course of fermentation. I plan to float my hydrometer directly in the tube of the thief, which requires me to ...
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1answer
38 views

Do I need to use finings again after restarting the fermentation?

I recently made a batch of red wine but because the wine was too sweet I restarted the fermentation as I was advised. Of course I will need to de-gas the wine again, do I also need to use finings ...
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2answers
88 views

Cider went too dry and too flat

I've been making a cider (for the first time)... it's been in primary for a week, and went to secondary for another three weeks. I used crisp apple cider from Trader Joe's as the base. OG was about ...
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12 views

Continue fermentation in Primary Fermentaor [duplicate]

Was wondering if I could keep my pilsner lager in my primary fermenter instead of transferring it during secondary fermentation???? Please Help 🙋
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1answer
609 views

Stupidly added priming sugar in initial fermentation step

I started my first brew this weekend with a kit, Stupidly, I misread the instructions and added the bag of priming sugar (which was supposed to be added immediately prior to barrelling) at the start ...
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2answers
497 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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1answer
73 views

How much does hop flavor fade during fermentation?

In the end of my first batch, i thought i had put too many hop because it was 'oily' and the flavor was incredibly strong. But now in the second fermenting day the hops seems to be very distant, ...
2
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1answer
71 views

Fermentation Times in Extract vs. AG Brewing

I've noticed that for certain recipe kits that come in both all grain or extract forms, that the directions for the length of fermentation (both primary and secondary) are generally longer for the ...
2
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1answer
109 views

Putting Yeast in a Tea Bag

When making apple cider, beer or white wine, in order to more easily clear up the liquid, can we put our yeast in a tea bag or a piece of cloth so that the alcohol would be produced inside of it and ...
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2answers
125 views

14 hours after pitching, little to no activity. Is it ruined?

This is my first homebrew, so I'm totally in the dark as to what to expect. However, I was told by my LHS that I should see a lot of fermentation activity after around 4-12 hours. The brew itself is ...
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2answers
83 views

Home brewing in kegs

As there is no secondary fermentation when brewing in kegs as you use CO2 gas, how do you calculate the added amount of sugar in the brewing process to achieve the same end result. Sue
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1answer
96 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 ...
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1answer
117 views

What can have caused my mead to have the taste of yeast?

I brew my first mead one month ago. I've put 1 dose of honey for about 3.5 of water. Ended up with a 2 liters of must in a pet bottle. I've put 10 grams of yeast (the entire sachet). Since i started, ...
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2answers
76 views

White lab Saison yeasts and diacetyl, ever had a “buttery” problem?

I just pitched my first Saison, using WLP 565 24 hours ago. Bubbling nicely. I'm worried about diacetyl, am I paranoid? Aroma section of the beer judging style guide says "no diacetyl" in the aroma ...
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4answers
219 views

Should I be worried about my bottles exploding?

Alright, so this is my first batch where I came up with the recipe instead of using a recipe kit, and something seems to have gone wrong. Here are my brewing notes so you can see exactly what I did: ...
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1answer
86 views

Yeast nutrients

I've seen several beer, mead, and wine recipes that call for yeast nutrients. I'm even now following a mead recipe that calls for staggered nutrients. But my question is, what exactly are yeast ...
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1answer
86 views

What grains have been fermented? [closed]

As i'm about to bottle my first batch. After all the googling and reading I've done, what grains have been fermented into beer?
4
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1answer
146 views

Airlock not bubbling

So I made my first ever homebrew ale yesterday, transferred it to my fermentation bin and pitched the yeast. After 24 hours at the recommended temperature there is a nice thick layer of krausen on ...
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2answers
502 views

Am I fermenting homebrew kit at too low a temperature

Total newbie here so sorry for the very basic question. I started doing a the Coopers Lager kit last night (using the standard Coopers Homebrew start kit set up). It said in the instructions to add ...