Questions tagged [fermentation]

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

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1 answer
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A couple of Sugar Questions

I have read a lot of the "normal sugar" vs "brewing sugar" questions, and I think I'm there with an answer but I wanted to just get it verified as I'm new to this. I have a beer ...
2 votes
3 answers
178 views

c02 production during secondary fermentation

I just moved my wine from the primary fermentation bucket to a carboy with an auto siphon. I had some trouble with the auto siphon. It worked fine when I tested it out with water. But when I used it ...
1 vote
0 answers
23 views

Is beer contaminated?

[![enter image description here][1]][1]Been brewing for some years now and never had a batch go bad. But after I bottled my last brew there was a black layer on the side of the brew bucket(see picture)...
3 votes
1 answer
47 views

Using Pine with Beer

The only other topic I found on this was here: Using pine in beer - it was asked nearly 10 years ago and didn't have the answers. Does anyone have experience with using pine in their brewing and if so,...
1 vote
1 answer
32 views

Fermentation growing too fast for bin

I started fermenting my first batch of turbo cider yesterday (10/07/2022). I'm using this this 5L fermentation bucket but the foam has already creeping up to the lid. It's very hot in England right ...
1 vote
1 answer
69 views

Did I totally mess up making mead for my first time?

I read several recipes and talked with people at my local brew shop and thought I had a pretty good idea of how to make my first batch of mead but after I've already got it going I'm now over thinking ...
1 vote
1 answer
52 views

Specific Gravity and fermentation of wine

I thought it would be fun to make grape jelly wine. My specific gravity started at 1.104. After day five fermentation appeared to stop at 1.08. I increased the temperature, added lemon juice and yeast ...
0 votes
2 answers
51 views

ABV question in 5 gallon melomel batch

I started a melomel batch two weeks ago. Below are a list of batch details: 5 gallon batch frozen blueberries (roughly 4-5lbs per gallon) 18.5 lbs of honey (raw, unpasteurized honey from my fathers ...
1 vote
2 answers
57 views

Cloudiness in cider

Hi this is my first batch of cider from pressed apples. 28 days in, and it’s cloudy, still tastes a bit sweet, 1.020 on hydrometer, put in some pectinase enzymes, and still a bit cloudy. What should ...
2 votes
1 answer
25 views

Can I use a spunding valve on demijohn/bottle?

Is there such thing as a spunding valve for a demijohn or swing-top bottle? I want to make elderflower champagne for the second time. Last year it was fermented in plastic bottles, and one of them ...
2 votes
0 answers
50 views

Distilled honey spirit needs an official name

I am relatively new to the world of personal home brewing. I have always gravitated towards mead and my next venture ought to be distilling some. I've read through lots of articles and threads on the ...
10 votes
2 answers
3k views

How does electrical conductivity of a fermenting liquid change over time?

Has anyone ever measured how the conductivity of fermenting liquids changes over time? I have a hypothesis that it does change over time, and that as the fermentation rates and stages change, so will ...
1 vote
2 answers
419 views

Stopping fermentation in soft drinks

Does anyone know how they manage to stop all these (naturally) fermented drinks sold commercially from fermenting once they are bottled? I’ve seen kombucha bottles coming from another part of the ...
2 votes
1 answer
41 views

What to do with blowout Krausen/wort

Surprised I couldn't find an answer to this so I'm posting the question. I brewed my first imperial stout. Fermentation was super happy, krausen went wild and my airlock blew out (from what I'm seeing ...
7 votes
3 answers
5k 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 ...
17 votes
10 answers
19k views

Sanitizing oak chips

Going to try using dry oak chips in my secondary fermenter. How do you recommend sanitizing the chips before adding them?
4 votes
1 answer
514 views

Is this pediococcus contamination?

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 ...
1 vote
0 answers
106 views

Hard seltzer turns pink after a few weeks, why?

I've got a bit of an odd situation. I've been brewing some hard seltzers, simple recipe: 4LB Dextrose + Champagne Yeast + Water + Nutrient. However, I've got an odd issue. 2 of 3 hard seltzers have ...
2 votes
2 answers
78 views

Batch size affecting my Final Gravity?

So i recently fermented a pale ale but only was able to transfer just under 4 gallons of my planned 5.5 gallons into my fermenter due to transfer issues. My final gravity is shooting past my 1.018 ...
4 votes
2 answers
192 views

Are there levels of contamination in a beer or is it a case that it's either "contaminated" or "not contaminated"?

I am trying to understand the nature of contamination in beer. I find it difficult to imagine (considering there are wild yeasts and moulds and micro-organisms in the air - aren't there?) a scenario ...
5 votes
2 answers
3k views

How do you let water sit until the chlorine vapours off without any contamination?

So, apparently if you let tap water sit for a few days the chlorine will evaporate off but how can one safely expose the water to the the air without risk of contamination from airborne particles?
3 votes
1 answer
90 views

If I stop fermentation early does the sugar left in juice still turns into Co2 after bottling

I am trying to understand a little bit about science process between Fermentation (when sugar is turned into alcohol) and Priming (when fermentable sugar is turned into). I have done several batches ...
5 votes
2 answers
3k views

Killing off preservatives in store bought juice

I'm wondering if there's any way to kill the preservatives in store bought juice. I was thinking about boiling it at high temperature for like 5 minutes, but not sure if it'll work. If anybody has a ...
1 vote
1 answer
59 views

Is my yeast dead or stuck or just fine?

I'm concerned my yeast be dead or stalled, and I'm sure some experienced person can give me some feedback. This is my first batch of homemade wine. As my first batch, I wanted to do something very ...
3 votes
1 answer
70 views

Dilemma whether it is MOLD on kombucha with green section

I am in the process of making my third batch of Kombucha and ingredients that I have used were Darjeeling Black Tea Darjeeling Green Tea SCOBY (of course) Note: i haven't flavored yet Now, the issue ...
1 vote
1 answer
45 views

Air Still and Pure Turbo Yeast

i just got my brand new Air Still Kit . the kit include Pure Turbo Yeast and from what i read the manufacture of Air Still advice to only use this Yeast when distilling with Air Still . the problem is ...
2 votes
2 answers
2k views

Making alcohol at home from sugar and baking yeast

I am trying to make alcohol from baking yeast I didn't use any special tools or airlock I got the normal baking yeast, sugar(sucrose) and water Dissolved sugar in water putting the yeast in the ...
1 vote
1 answer
86 views

Homemade Instant Wine Not Fermenting..Can i add yeast on day 3?

Hello I am making 3 Day instant beetroot wine. I'm making this in India so I don't have an airlock or a hydrometer or any fancy equipment. I made this wine during last New Year and in 3 days I got an ...
6 votes
1 answer
12k views

Home brewing with different sugars

I've just been reading an FAQ on different sugars used in brewing. Most kits specify usage of 1KG of brewing sugar. The first time I made a batch of home brew I used table sugar, but this seemed to ...
3 votes
2 answers
3k 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 ...
2 votes
1 answer
42 views

Will taking the top off my vessel on day 9 spoil my brew?

I’m on day 9 of my home brew and the top has been taken off for about 5 seconds. Reading up on the CO2 layer that the yeast creates in wort and that exposure to oxygen can spoil your beer, I fear my ...
4 votes
5 answers
1k views

Kveik yeast instead of US-05?

I found some good SMaSh IPA recipes, mainly using Safale US-05. Unfortunately I live in a small apartment house and the room temperature is approximately 22-23 °C degree (~71-73 °F), so the ...
2 votes
1 answer
26 views

New to Cider making

I made about 8 litres of cider 2 weeks ago and put it in a 30 litre fermentation bin which meant that there is a lot of air still in the bin. I have now learnt that is not ideal. Is there anything I ...
2 votes
1 answer
201 views

Home brewing for the first time ever

I am home brewing for the first time ever. I had the following queries pls. Hope someone will answer: I mixed 200 grams of white sugar, 100 grams of ginger, 2 complete lemons, mint leaves and 1 ...
4 votes
3 answers
370 views

Activity in fermenter has increased suddenly after 2 weeks, why?

I'm a total beginner and really appreciative of any advice here. I'm making a 1 gallon batch of IPA from a kit. I brewed 16 days ago, and in the first 48 hours of the wort being in the fermenter it ...
1 vote
1 answer
79 views

During what stages to add fermentable vs unfermentable sugars?

New to brewing. I'm trying to understand when and where it makes sense to intentionally add sugar. Based on what I've read/researched so far, I can think of three places where it makes sense: As part ...
1 vote
1 answer
91 views

Is this Campden safe to use?

Campden was really hard to find in the country I am currently in. Thus a friend arranged it from a lab supplier. As it shows 10ppm max lead on the label, would it be toxic to use? Also could you ...
3 votes
5 answers
18k views

Calculating carbon dioxide production during fermentation

I know yeast ferments sugars into alcohol at a predictable rate, but is the same is true for carbon dioxide? Since I know the amount of sugars fermented though my gravity readings, shouldn't it be ...
2 votes
1 answer
95 views

Should I be worried

I made sugar wash and let it ferment for a week. After that I distilled it but forgot to get rid of the heads. I let it go until it was enough to fill a cup and emptied my pot (I didn’t use all my ...
1 vote
2 answers
269 views

How can I make maple bacon mead?

I never made a beverage with meat in it so I'm a little scared. I think I can bake the bacon to make it crispy, then crumble it into the mead. Will it be safe to sit for a month of fermenting? Is that ...
0 votes
0 answers
53 views

Weird growth 24h after adding sugar for carbonation, is this normal?

I've finished coldcrashing this cream ale I've been brewing, I took some samples and they tasted great, so I've moved it to an airtight container and added sugar for carbonation. I checked it the next ...
41 votes
14 answers
113k views

Too long in Primary Fermentation?

What's the maximum amount of time for primary fermentation, assuming the beer is going straight to bottles next? Will it over ferment and then fail to carbonate, if left too long in a carboy?
2 votes
2 answers
245 views

Hangover after drinking Kviek brew?

I recently brewed a batch of pale ale using Kveik yeast (Omega Voss OYL-061). I fermented in primary at 29 degrees for about 14 days before kegging - it was oxygenated well and went absolutely wild in ...
2 votes
1 answer
65 views

Huge headspace and pale ale fermentation time

I just brewed my 3rd biab batch last Saturday and pitched 3 white lab liquid yeast(i was told to do that because the yeast were expired). I was left with 15l and filtered it using a cheese cloth as I ...
2 votes
1 answer
73 views

Cold Crashing beer - how much time?

I've made beer from a kit a number of times before, nothing special, and I've let the beer crash from between 1 to 3 months (temperatures between 13º and 16º), but I'm now wondering: Is there a ...
5 votes
6 answers
3k views

Dady yeast for beer?

I have made my way into homebrewing with LME, hops, adjuncts and Dady yeast. Dady yeast (Distillers Active Dry Yeast) is a distillers yeast strain which is supposed to produce a lower final gravity ...
1 vote
3 answers
218 views

Will bigger feed give faster increase in ginger bug?

I started making my first ginger bug a week ago and it finally produced a bubble on the 7 th day! I’m planning to brew a big batch of ginger beer in a 5 gallon carboy and I’m need 7 cups ginger bug ...
7 votes
9 answers
23k views

Fermenting Soda

Years ago I attempted to ferment Mountain Dew (about a decade ago so my recount of the details may be a bit off). My goal was to have a drink with similar carbonation, similar flavor, and reasonable ...
2 votes
1 answer
258 views

Stuck ferment - gingerbeer - or just strange yeast?

I've just (as in 2 days ago) laid down a gingerbeer (kit build - first time) - est finished ABV should be 4.0%. Recipe : 2 x Brigalow Gingerbeer Packs 3 kg Dextrose mono 43L Sterile Water 2 packets ...
0 votes
2 answers
109 views

How to preserve an open box of dried yeast?

I want to ferment barley to make whisky (it is perfectly legal in my country, I'm not breaking any law!), the steps before distillation are almost the same than brewing beer (no hops in my case). I ...

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