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Questions tagged [yeast]

Yeasts are micro-organisms used in brewing to produce alcohol during the process of fermentation.

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1answer
24 views

My brew has stopped

I made some Young's Scottish Harvest Heavy from a can. I used cane sugar, which I prefer for colour and taste. My refractometer said 1.048 pre yeast. Ten days on, gravity seems to be static at 1.020-1....
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1answer
16 views

How to transport liquid yeast?

The home brew shop I go to is about a 45 min drive from my house. Do I need a cool box or ice pack to get liquid yeast back home and in my fridge? The guy at the store said that's what I'll need to ...
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3answers
49 views

Liquid yeast in wine making

I've been making beer at home for quite some time now and can definitely see the difference between dry and liquid yeast (especially in some beer styles like hefeweizen). In my area there is a long ...
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3answers
42 views

Apple wine fermentation

I have added yeast nutrients and yeast together at the beginning of my wine process. Is this a bad idea as it was by mistake? Cesar
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has anyone experimented with using yeast hulls to supply sterols rather than oxygenating/airating their beer/wine/mead must or wort?

So this question challenges a lot Brewers assumption that yeast needs oxygen to reproduce. It just plain doesn’t. Yeast does use oxygen, but it’s a mighty and inaccurate over simplification to say it ...
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4answers
62 views

Why didn't my ABV reach the yeast's limits?

I fermented some 5 gallon mead from SG 1.146 to FG 1.058, but two calculators ([1], [2]) said the ABV was 11.7% - 11.9%. The yeast I used (Lalvin K1-V116 [3]) is rated up to 18% ("Alcohol tolerance up ...
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1answer
47 views

Can I add yeast and sugar during the first 10 days?

I have a wine that's been on primary fermentation for 10 days and still haven't seen any activity in the airlock. I think that the reason is the sugar and the yeast needed to be added. I saw in some ...
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1answer
126 views

Dead yeast is good yeast?

I just came across this: Different strains of Saccharomyces cerevisiae produce different proportions of carbon dioxide and alcohol. Baker's yeast is a blend of several strains of Saccharomyces ...
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1answer
56 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 ...
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1answer
97 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 ...
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1answer
85 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 (...
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2answers
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Does chlorine kill yeast?

Does chlorine in tap water kill yeast? Does chloramine kill yeast? Specifically Lalvin 71B wine yeast? Is it OK to use filtered tap water (Culligan filter) to re-hydrate yeast?
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2answers
126 views

Does cold crashing have a negative impact?

According to "How to Brew" by John Palmer (4th ed.), cold conditioning (a.k.a. lagering) is the act of cooling beer after fermentation has completed (including maturation) in order to clarify the beer....
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136 views

Can I make a “lager” with ale yeast?

On the kegerator website, I found this method to make a "cheat lager": To brew a great “hybrid” lager, I’d recommend using one of the following yeast strains: White Labs WLP001, Wyeast 1056 or ...
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1answer
127 views

Why is oxygen bad for mead?

I see comments on YouTube about how oxygen is bad for mead. However, according to Wikipedia, oxygen is good for yeast to develop resistance to alcohol. https://en.wikipedia.org/wiki/...
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1answer
55 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 ...
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2answers
68 views

Brewing with bread yeast

recently bought northern brewer irish ale and yeast was misplaced. can I use bakers yeast? Also, how long will wort last before adding yeast?
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Recently expired kit. Is the yeast still ok? [duplicate]

I have just received a kit which says that the expiration date is in April 2019 (2 months ago). I am quite confident that the extract is still okay, but I'm wondering about the yeast. Is it still ...
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112 views

Pale Ale All Grain, FG not achieved

I would like your input as to why my FG was far from the theoric on from brewer's friend calculator. All Grain Pale Ale: Maris Otter 4.7k Roasted Barley 94 gr Chinook 12 aau min 60 Cascasde 5 auu ...
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3answers
41 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 ...
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2answers
63 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 ...
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2answers
78 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 ...
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4answers
84 views

Doubling a mead recipe

If I double a mead recipe, do I need to double the yeast I put in to have the same fermentation time? I'm doubling a small batch from a half gallon to a gallon, would I need to add a second packet?
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2answers
55 views

Is there a limit to yeast “cake” fermentation?

When using a yeast cake from another brew, is it possible to use too much? If so, what is the limit for a 5 gallon keg?
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3answers
74 views

Store 500g dry yeast package after opened

I bought a 500g S-05 package and i'm planning to use it only 20 g per week. Any advices on how to store it? it will last around 4-5 months
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1answer
57 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 ...
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1answer
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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. ...
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2answers
57 views

Is it normal to see yeast cells stacked in the Z axis when counting yeast?

I just got started with yeast cell counting and was surprised to observe yeast cells that are at different z axis depths at 400x. That is, by adjusting the focus (not the x/y stage) I can make some ...
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2answers
64 views

will two strains of yeast mess each other up

I put an old packet of yeast into my beer and it is barely fermenting. If I add a second type of yeast will the first one have any effect?
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1answer
55 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 ...
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1answer
112 views

Will reused yeast change beer taste?

I noticed that some breweries and home brewers reuse yeast for next batch. But from what I read about yeast mutation and generations that every new cell generation is bit different and can affect ...
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1answer
61 views

Pressurized Ferment Yeast Harvest — what are these layers?

I'm poured the keg remnants from a pressurized ferment into a beaker to let it settle out but I'm puzzled by the layers I'm seeing. From a typical non-pressure ferment, you see (from the bottom up), ...
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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 ...
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1answer
73 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 ...
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1answer
261 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 ?
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2answers
39 views

Measuring yeast for pitching into very small batches

Disclaimer; I am brewing predominantly ginger beer, and experimenting with some commercial yeasts in pitching. My batches of ginger beer are 1~2 gallons max, as it's consumed pretty quickly and I ...
4
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1answer
124 views

Can yeast survive being almost frozen?

After forgetting to place the yeast starter in the fridge overnight I placed it in the freezer this morning for a short while to do a quick cool crash. I misjudged the time and the water above the ...
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4answers
224 views

Yeast pitching temp/ ferment temp

I have read here and there that it is ok to pitch your yeast at a high temperature, say 83°F? Seeing as it will take a considerably long time for the temperature to drop to an ambient 68°F then ...
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2answers
76 views

Ginger Beer ABV from Bakers Yeast

I’ve made ginger beer a few times. I usually make it with just fresh ginger and raw honey. Usually the I get well less than 2% ABV. This last week though I used a different honey, sourced from a farm,...
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1answer
38 views

removing sugar / dead yeasts / residues from keg

Due to some CO2 cylinder carbonation problems I have resorted to the desperate method of pouring sugar into the keg. Which is probably bad, as I have found out here all I needed was lower temperatures ...
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4answers
293 views

Measuring alcohol content

How do you measure alcohol content in a fermented drink without relying on measurements of gravity? Say we have a bottle of water (pasteurized), add sugar (that has been treated to have no living ...
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1answer
35 views

WLP648 does it make a sour?

I've been reading up on WLP648, but can't determine if this yeast will develop a sour beer on its own or if it requires something else to become properly sour aside from 3-6 months. I've read some ...
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1answer
79 views

First Time - Honey Mead questions

I am making Honey Mead for the first time soon, I will try making 2 1 gallon jugs. I have everything I need (Jugs, siphon, DAP, red star wine yeast, honey, sanitizer, carboy), but I want to make a ...
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2answers
50 views

Should I let hydrated dry yeast cool before pitching

The Gospel of John states that dry yeast should be hydrated at a temperature warmer than what you would typically start fermentation. But John also states that yeast should be pitched from cold to ...
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2answers
54 views

Could killer yeast affect my sourdough starter?

I've just pitched K1-V116 into a batch of rosehip wine. As I finished, thoughts of one kind of yeast led to another and I went to feed my sourdough starter - and stopped. K1-V1116 is a killer strain ...
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1answer
118 views

Beer yeast for wine making?

Does anyone know if it works to use beer yeast to make wine. I've got a batch of chardonnay grape crushed and sitting in my fridge right now, but I bought beer yeast by mistake. Can I use the beer ...
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2answers
185 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 ...
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2answers
143 views

To ferment or not to ferment for no alcohol

I am making ginger beer. I’m using basically raw ginger and honey and fermenting with bakers yeast. I’m getting somewhere between 2% & 2.3% ABV in testing. I don’t want any alcohol in the ginger ...
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3answers
64 views

Yeast or not to yeast, that is the question

So this is the third year I am making home made wine from a combination of red (75%) and white(25%). In the past the person in which I purchased from had a big industrial blender of sorts and gave me ...
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6answers
654 views

how to cultivate the beer yeast?

Do i need beer yeast for cultivating my own beer yeast? because i tried to brew beer with bread yeast and the result was not satisfying. Also, in my country as an islamic country it's not easy to find ...