Questions tagged [fermentation]

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

Filter by
Sorted by
Tagged with
2
votes
3answers
509 views

Fruit flavors from White Labs California Ale yeast I

I am getting way too fruity of a flavor in my IPAs from this yeast. I am assuming this is because I am pitching at too high of a temp, but I'm not really sure. Any suggestions for how to solve this,...
5
votes
2answers
10k views

Adding yeast to secondary

Okay, I am making a strong (imperial-ish) red ale. My original gravity was 1.081. I intended to bring it to a final point at most of 1.020, or if I can even lower. I was using 2 packs of WLP004 (...
3
votes
0answers
28 views

Is phenol production temperature related or not?

It is well known that ester formation in beer is mainly a factor of temperature. Higher fermentation temperatures produce more esters. (Other factors play a role as well, such as the yeast's genetic ...
3
votes
1answer
59 views

Has your airlock ever shot out of your carboy?

I made a kettle sour and added guava in secondary. Everything was going well for a week. I went out of town for the weekend and noticed my carboy stopper and airlock about three feet away on the floor....
4
votes
3answers
62 views

Reuse the must to continue winemaking

Can I simply add more fruit and sugar to a batch of must once I have drawn off the majority of the first fermentation?
5
votes
2answers
78 views

Pasteurizing Apple Juice for Cider

I'm an experienced Beer home brewer, but I've never done a Cider and would like to try. I've bought natural pressed apple juice from a farm near me, it's free of preservatives, and thus is chilled to ...
1
vote
3answers
53 views

My first ginger bug question

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 ...
3
votes
2answers
107 views

First time brewing Ginger Beer. Is it dead?

I am attempting to brew homemade ginger beer using this recipe However, this is my second attempt at a plant/bug and it doesn't seem to be going well. Like the first time, the sediment in the plant ...
2
votes
1answer
88 views

Beer brewing, what to do when you used too little yeast for fermentation?

I recently got a little beer brewing kit to use at home with a 4L fermentation bottle. Up until I filled the beer into the bottle I think I've done everything right, but since then I saw no sign of a ...
1
vote
1answer
52 views

Remaining ginger bug

This is the first time I will make a ginger bug and the process seems very simple but my question is. How long can I keep feeding my ginger bug and if I will be using that bug to make ginger beer ...
1
vote
1answer
76 views

Final gravity too high

I have an IPA that I've brewed in five gallon batches before. OG at 1.065 and FG at 1.010. Those were hydrometer readings. I scaled it down for a one gallon batch, and pitched half a packet of yeast (...
0
votes
1answer
30 views

Question about Ginger Bug

I'm very new to brewing and also fermentation and I'm really confused when I start fermenting my ginger bug. I don't know when to screw my bottle tight and when to put a cheese cloth on top of the ...
0
votes
2answers
59 views

Ginger bug, white powder kind of stuff on top

I just made a Ginger bug, feed Ginger and sugar daily, during first 3 days it was perfect with bubbles forming, but on forth day, no bubbles seen and some white powder/coat kind of substance on top ...
3
votes
3answers
9k 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 ...
6
votes
3answers
2k views

Aquarium water heaters for Fermentation chamber

Looking for suggestions on brands of aquarium heaters to use in a fermentation chamber I've built. My set-up is a 60 qt Igloo cooler with a custom foam insulation top cut to allow for a 5 to 6.5 ...
1
vote
1answer
83 views

Bread Kvass Safety Concerns

My first brewing experience is gonna be bread Kwass (following this recipe). Now, I browsed a bit to get some info, and I only managed to get terrified. There are three concerns that I would like you ...
2
votes
1answer
52 views

London Ale III Fast

I just brewed a NEIPA and fermented it with London ale III. I pitched the yeast 2 and a half days ago and it started fermenting around 6 hours later. I wanted to dry hop at high Krausen but when I ...
1
vote
2answers
67 views

Can I use oxygen tablets or liquid oxygen to oxygenate my water for yeast fermentation in mead?

I see 'bait buddies' and 'liquid oxygen' supplements. Can I use these to oxygenate the water to give the yeast nutrients when starting mead fermentation? None of them really say the actual ...
3
votes
3answers
52 views

Can a Ginger Bug fermentation turn into Vinegar

I have fermented Ginger bug for 15days, feed it daily with additional Ginger and sugar, then stopped feeding further and kept it as it is for 5 days. Now I have refrigerated it. I must say that ...
1
vote
2answers
61 views

2 stalled fermentations for two different beers/yeasts - what's going on?

I have two beers (recipes here and here). One is a session IPA, the other is a saison of sorts. They are two different beers fermented with different yeast, but both of them stalled. The session IPA ...
0
votes
2answers
26 views

Fresh grape juice and fizzing

Grapes picked, denuded from stems, put through juicer, strained through fine cloth into bucket. Yeast growth noticed so removed from top of juice, restrained through fine clothe into bottles. Bubbles ...
3
votes
1answer
58 views

Microbial interactions: biotransformations and food/drink science

I am looking for a good, in-depth source on biotransformations (think food science). For example, fermenting black tea and sugar with wild yeast and bacteria (kombucha): Wild yeast ferment sucrose ...
0
votes
1answer
67 views

Bentonite could change the yeast taste?

hello I am new in this kind of things. I would know if I use Bentonite it could change the taste and smell of yeast in the fermentation ? I am gonna use breed yeast. I would quickly finish my product ...
1
vote
3answers
53 views

Anyone Use Brewjacket

I was thinking about getting a Brewjacket to control my fermentation temps. Anyone use one? I'm wondering if the $400 pricetag is worth it. Seems like it is.
1
vote
3answers
34 views

Finicky Wyeast 3724 Stall

Looking for some useful suggestions. I’m a veritable noob when it comes to brewing. I’m on my second brew and already trying to experiment with my own recipe albeit sticking to extract / specialty ...
5
votes
4answers
260 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 ...
2
votes
2answers
72 views

STC 1000 safety

sorry if this is a question that’s been answered already. I’ve just completed a brew for a Belgian saison using wyeast 3724 and I’ve suffered the all to common stall that this yeast so often ...
1
vote
1answer
188 views

Old ginger bug not bubbling anymore - could it still be alive in spite of no bubbles

I have an old ginger bug (my first) that I have had going for a few months and used a couple of times to make ginger beer with great results. Last couple of months, though, I haven't been able to ...
0
votes
1answer
28 views

Diluting juice from old wrinkly apples for hard cider

I've juiced about 50kg of wonderful heritage apples that I stored over winter. They've dried out a lot. When scratting the pulp was almost dry to the touch, and the resulting juice was practically ...
3
votes
5answers
143 views

Secondary Fermentation for my beer, yes or no?

I've brewed many batches of beer all with the extract method. All Brewers Best kits. I've generally let them sit in primary for one week then secondary for another before kegging. I've always been a ...
2
votes
3answers
93 views

Help me debug my Christmas Ale band-aid flavor

Recently I brewed two batches of a copycat Christmas Ale. You can ignore the recipe's water adjustments, since I didn't do them. Before fermenting, the wort smelled and tasted perfect - just the ...
2
votes
2answers
86 views

No sign of fermentation after two days

I made wine from the Primeur winery series and after two days still have no sign of bubbling from the fermenter. I did all as per the instructions except following (that I think is the reason for no ...
7
votes
4answers
796 views

Starsan in double bubble airlock keeps getting sucked into fermenter - why and how to prevent?

I did a brew on Saturday and cooled, got in the fermenting bucket and added yeast, added starsan to the chamber in the double bubble airlock and got it under the stairs. Ever since then, the starsan ...
3
votes
1answer
115 views

Help identifying (and preventing) an off flavor

I have had a recurring off-flavor in my ales that I would like help identifying and preventing. The flavor is a yeasty flavor with some savory components. I have tasted it a few times in commercial ...
8
votes
8answers
12k views

Fermentation stopped but beer seems too sweet - why?

My last beer went through a normal 10-day fermentation process and afterwards there was no activity. I assumed that most of the sugars had been consumed. But after I bottled my beer and let it ...
17
votes
6answers
17k views

What's the difference between primary & secondary fermentation?

Over here PJ asked "How do you differentiate primary to secondary if you keep it in the same bucket?"
3
votes
1answer
50 views

Cider Issues - identical batches acting differently

Here's a strange one. I pressed a large load of apples a week ago, getting just over 26 litres. I let it sit for a day in a single Fermenting bin with a dose of Camden to clear up wild yeast and a ...
4
votes
4answers
13k views

Stopping fermentation and then bottling

I've tried making a few beers that I think have TOO much alcohol. I'd like to stop the fermentation before all of the sugars have fermented, and I'm wondering what the best way is to do that. I've ...
2
votes
1answer
54 views

Pitching kombucha starter instead of yeast

My friend recently gave me the idea of making a kombucha-inoculated beer. Having never done it before, the principle seems fairly straightforward to me (this is my own guesswork): Ferment kombucha as ...
0
votes
1answer
31 views

Low FG on our IPA, can we force second fermentation?

We are brewing a Pliny clone, IPA with dry hopping. We had an OG of 1.065, and racked to secondary six days later. Our current FG is reading 1.032, which is nowhere close to where we want to be. ...
10
votes
3answers
16k views

Why is it bad to pitch too little yeast?

What are the effects of underpitching your beer? We have an answer for over pitching, I think we need the complete set.
1
vote
0answers
17 views

Staggered 2 primary fermentations. Then fermentation started in the Demi again. Is the wine ok?

So i decided to try grape wine last year since my friend had a backyard full of grapes that were going to go to waste. My process ended up a little complicated and now I wonder if it’s still ok. I ...
3
votes
1answer
142 views

Why is my mead overflowing with foam?

The mead is made with steeped hibiscus leaves and hops which was added to honey and a crushed nutmeg when it cooled down some. When it was the right temperature, I added the yeast and aerated it. I ...
7
votes
1answer
119 views

What are the downside of a super-quick fermentation?

As it can be seen in this Q/A many beginner brewers observe a bloomed fermentation, excessive for one day, then no sign of fermentation but by measuring the gravity. I recently got this problem for a ...
1
vote
2answers
79 views

Fermentation first time

I need help. First time brewing in my life and I made some mistakes as expected. This was a 1 gallon brew kit. First indication something was wrong was after pouring the wort into the 1 gallon ...
1
vote
0answers
115 views

Ginger bug causing a gelatinous soda

I have been making ginger soda. But after fermenting, the soda was very viscous and slimy in some of the batches. It usually turns out fine but this happened multiple times inconsistently with ...
5
votes
6answers
1k 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
1answer
163 views

Wine yeast or champagne yeast which will ferment quicker? [closed]

Hello I would want quick method if I use breed yeast the fermentation finish in 7-10 days. But its taste is terrible. I would like to know, between Champagne and Wine yeast - which one is faster ?
4
votes
1answer
6k 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 ...
2
votes
3answers
405 views

Converting potato starch in to sugars for brewing

To my understanding the starches in potatoes need to be gelated before they can be converted into simple sugars. This process is done through boiling, my concern is that I will loose valuable sugars ...