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

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What to expect from champagne yeast?

I bought a pack of champagne yeast, but not sure why, just to try it :) What differences should I expect compared to a "normal" English ale yest?
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What volume of brewer's yeast to use for yeast-nutrient-less dandelion wine?

I'm trying my first, 1-gallon batch of dandelion wine. Some recipes say "1 packet" of brewer's yeast, and mine doesn't even specify an amount. It also specifies to add "yeast nutrient," which my ...
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What is the approximate batch size/OG limit for US-05 11g packet? Have I used enough?

I've started a brew with an OG of 1.065 in a 23L batch. I pitched a rehydrated 11g pack of US-05 and after 5 days I took a FG reading when I observed no bubbles after some time; it came out at 1.028 - ...
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Handling dried yeast

I'm brewing a coopers ginger beer kit but over the past week the yeast didn't seem to activate particularly well. There has been no krausen and over the past couple of days there have been a few ...
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Heating after fermentation?

What's the general consensus on leaving a heat source turned on after fermentation has complete? I'm doing an Imperial IPA which should finish fermenting in 4-5 days going by previous experience with ...
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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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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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What yeast for carbonating a lager?

We brewed a Dark Lager using Wyeast 2007. It fermented for two weeks and has been lagering for 3. When we bottle, we think we'll need to repitch to ensure the bottles carbonate. Thoughts on what ...
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Wine fermentation without yeast?

Apologies if this is a duplicate - wasn't able to find anything similar. Making a 3gal batch of strawberry wine. Poured sugar-water over fruit and set aside to cool. Been having problems with bugs ...
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did i put too much yeast in?

this is the beer i made ingredients: 17 litres spring water 1 can of coopers Australian pale ale i think it was 1.7 kg normal size 500 grams malt extract coopers brew enhancer 1 which is 250 grams ...
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Should I pitch a second round of yeast?

I brewed a Dogfish Punkn clone that was rather heavy on the sediment. I pitched a pretty healthy yeast starter that was working for 30 hours before being pitched probably around 80 degrees, perhaps ...
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Too little sugar?

It's my first time making cider and I believe I didn't put enough sugar in it. I put 1 1/2 brown sugar (Even though some fell off to the side cause I didn't dissolve it, like the twit I am). I would ...
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Is a yeast starter required for this recipe

According to brewers-friend, I am short 139 billion yeast cells for a recipe I was estimating. I was planning on trying something along the lines of this recipe. My original idea was to re-hydrate a ...
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Slow Fermentation startup?

I just brewed my first hef, using a honey wheat kit. I am used to brewing with dry yeast, but this was vial of WLP320. I bought it Sunday Morning, and used it the same day so I didnt refridgerate when ...
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330 views

Troubleshooting a stuck fermentation with Ringwood Ale

I'm brewing an IPA using Wyeast 1187 (Ringwood Ale) and it seems stuck. I'm brewing 19L (5G) with an OG of 1.052 and pitched two (smacked) smackpacks of 1187 straight into the primary bucket. I used ...
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How to fix yeast smell in young wine from kit

I started my first attempt at fermenting this wine kit in mid-April. I followed the initial directions pretty meticulously which included stirring in the fermentation bucket daily (due to kit ...
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Yeast not viable?

If I think my liquid yeast was not viable yet pitched it unknowingly and now no fermentation happening-can I introduce new yeast or trash the batch ?
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Culturing Yeast and Bacteria from Pulque

I'm interested in making pulque, and was wondering how to go about culturing the yeast and bacteria necessary for making it from an existing batch. Is this at all dangerous? I know doing this with ...
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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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Slow Fermentation in cider

Two weeks ago I started 2 gallons of hard cider from windfalls - washed and bruises cut out. I pasteurized my own apple juice, kept it below boil. No preservatives. Everything was santitized with ...
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First time brewing lager, no fermentation

I set up a new fermentation chamber and was keen to try my hand at a lager. Unfortunately now 5 days on there hasn't been any fermentation so I think I may have shocked the yeast with the cold or just ...
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60 views

What are Esters?

I am reading a lot about yeast cell production and ester production. I think I have a good handle on the yeast cell production, but what are esters? Is that part of what the yeast consume that give ...
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Using two kit cans should I use both yeast packets and how much sugar

I have seen some people online using two kits to make one 23L batch of beer with more flavor than a single kit. If you use one kit to make 23L you add the yeast supplied with it and 1kg of dextrose ...
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Pitched yeast into head of wort, will this delay/ruin its effect?

I am a first time home-brewer. Followed the instructions to the letter. When I added the cold water I "splashed" it in to aerate it. The wort had a large head at the time of pitching the yeast. Will ...
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Problems with Wyeast London Ale 1028?

I had a brew day yesterday and ran into something a little odd. I smacked a pack of Wyeast London Ale #1028 berfore I started my routine. After everything was said and done with the boil it had been ...
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Lightening of Cider

My peach-apple oxidized a bit as I was juicing and started fermentation amber-brown. Over two days of rapid fermentation with Safale US-O5 dry ale yeast, the color lightened to a pale yellow, straw ...
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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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What is the specific role of yeast in wine making? [closed]

I'm a senior student, experimenting on alcohol concentration of wine using different variables. My variables are white wine yeast and brewing yeast and whilst I know the main role, I would like to ...
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wlp565 minimum time to bottle condition?

I'm fully prepped for wlp565 to stall out, but this question is about bottle conditioning with wlp565. what have been your minimum conditioning times to hit your desired CO2 level using wlp565? ...
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Pure Carapils starter wort?

I was reading White Labs' Homebrew Starter Tips page, and the following got me thinking: Keeping the Original Gravity low is important because you want to keep the yeast in its growth phase, ...
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Is my fermentation on the right track?

I upgraded my equipment and estimated my new efficiency a bit too low, so the imperial IPA that I brewed on 11/30 ended up having an O.G. of 1.10 (supposed to be 1.09). I made a two step starter with ...
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Reusing vs using new yeast [duplicate]

Possible Duplicate: How many times can yeast be reused? I have read in a couple of places that you should only reuse yeast a couple of times - most say up to 5 times because you would get ...