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

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What are the advantages of Dry vs Liquid yeast?

Pretty straight-forward- what're the benefits and drawbacks of dry or liquid yeast?
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How do I keep yeast from a strain that I've bought?

I'd like to stop buying yeast all the time, especially when I use the same strain repeatedly. This is especially a problem when it comes to seasonal strains. I'd like to brew with WLP351 Bavarian ...
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New Wyeast private stcok yeast strains? [closed]

Has anyone had any experiences with the new Wyeast Private Reserve yeast strains. I just bought a Cask Ale, and wondered if anyone had tried a beer with it yet?
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I have some “expired” mead yeast, is it still good?

I have some liquid mead yeast that has expired a couple years ago, according to the date on it. It has always been kept in the refrigerator. Could it be revived and used or do I need to buy some new ...
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2answers
337 views

Capturing wild yeasts?

Has anyone done any experiments trying to capture wild yeasts around their home/property and ferment with them? Any tips, methods, ideas, etc. would be appreciated.
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665 views

First Time Brewing…am I doing it right?

So I went to my local brewing store, and got a starter kit. It came with a 7 gallon fermenter, a siphon tube, a floating thermometer, bottle caper, bottle caps, bottle scrubber, and sanitizer. By the ...
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What is yeast nutrient?

I am trying to prepare alcoholic lemonade using: lemons, water, dextrose, lactose, and champagne yeast. I read that it is a good idea to add yeast nutrient but I have no idea what it is or where to ...
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3answers
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What yeasts are good for summer brewing?

I decided last night that fermentation temperature control was not a priority for me (minimizing brew time and moving to kegs are ahead of it). I have a basement that stays pretty cool, and four ...
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Brett: Primary or Secondary

What are the differences between fermenting a beer solely with Brettanomyces (or some blend of sour yeast) versus adding it to the secondary after primary fermentation with a non-sour yeast?
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Which fermentation temperature should I favor?

I am doing a dual brew this weekend. First up will be my Engine 97 Steam Beer (aka California Common - see recipe here: http://www.lootcorp.com/recipes/engine-97-steam-beer.html - credit for original ...
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1answer
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Time It Takes Brett C to Ferment

So I have this idea where I want to thread a citra-laden Belgian IPA with a pineapple beer fermented with Brett C and Brett C only. Does anyone have any experience using Brett C and can speak to how ...
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1answer
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Would you trust this starter?

I had one WLP001 vial of yeast that was only 14 days past its "best buy" date. I made a starter on a stir plate 2 full days before brewing. I got good growth as estimated by an increase in creamy ...
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2answers
327 views

Temperature conditions for saving cropped yeast?

What is an ideal environment for saving yeast I have harvested from my fermentation vessels? The lowest survivable temperature? Highest? I recently found the top of my fridge to be too cold when I ...
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Using Multiple Strains of Yeast in the Same Batch?

I've been thinking about this recently, so I figured I'd ask it here. Is there any reason you couldn't use two strains of yeast in the same batch of beer? For a particularly high gravity amber ale, ...
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1answer
937 views

stepping up a yeast starter

I followed the instructions in Palmer's "How To Brew" (along with some modifications from a Jamil interview that I heard), for getting a yeast starter going. It is now sitting on my stir-plate, with a ...
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3answers
345 views

Is aeration necessary if you overpitch?

We all know that aeration is necessary for yeast growth. Does it facilitate more than that? If you massively overpitch, on a previous yeast-cake for example, do you need the same amount of dissolved ...
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3answers
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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.
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1answer
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Why is it bad to pitch too much yeast?

What are the effects of over-pitching? Where is the line for, say, a 1.050 beer? There is also a question for to under-pitching.
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1answer
629 views

Fermenter Heating Belt

Is it worth using? I was thinking of getting one to use on my first fermenter for a german weissbier so that the yeast flavour and aroma is more present in the final result. By how many degrees does ...
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2answers
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WLP001 v. WLP051

WhiteLabs provides these two great American Ale yeast strains (among others). WLP051 (California Ale V yeast) and WLP001 (California Ale Yeast) What are the differences in these two strains and what ...
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2answers
421 views

What is attentuation?

What is attentuation? How does it effect beer flavor and quality? How is is calculated and why do I need to know it?
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2answers
860 views

Yeast starter temperatures

What temp guidlines apply to doing a yeast starter? Should the starter be at the intended fermentation temp? Should it be higher for good growth/activity? Should it be lower to keep it clean ...
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5answers
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Using champagne yeast

I would like to make an IPA that is very bubbly and dry like a champagne. I'm assuming to get it really bubbly I would just bottle with champagne yeast, but to achieve the dryness would I also ferment ...
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2answers
415 views

Is my yeast dead?

I'm in the middle of bottling my stout right now. The OG was 1.070, and the gravity almost a month ago (11/24) was 1.024. I added 3/4 cup priming sugar in about 3 cups of water, and bottled about 20 ...
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How do you choose a yeast?

What characteristics do you look for in a yeast to pair with your recipe? Is there a common reference?