Yeast starters are small worts of 1L or more that contain no hops. The primary purpose is to awaken and grown the yeast supplied in a vial or smack-pack. Typical starter wort is around or under 1.040 in gravity.

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Always making a starter vs. following package description

I have noticed that the smackpacks say on the package that the package is meant for a 5 gal. batch and that you should pour the pack directly into the wort. On the otherhand - nearly everyone tells ...
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How long can a yeast starter survive in the fridge?

I've made a 2L yeast starter (Wyeast 2633 Octoberfest) and placed in the fridge this morning. My original goal was to brew tonight but I may not be able to. Will the yeast colony still be good for a ...
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How do I make a Yeast Starter?

I know I should be using a Yeast Starter so that I can make sure I have enough, healthy yeast, but I've never managed to go around to it. How would I start a yeast starter? How long before brewday ...
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Why an erlynmeyer flask?

Why is the erlynmeyer style flask the automatic go to for yeast starters? I know people use other containers besides flasks, and some flasks dont have flat bottoms but is there something special about ...
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What is the minimum amount of time required for a yeast starter?

It is generally advised to leave a yeast starter for at least 24 hours to get optimal yeast growth. If I only have a few hours, is there any point making a starter from my liquid yeast pack? Is ...
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Can I do a high temperature starter?

I know if you are adding the yeast directly to the wort you want to keep the temperature similar to that of your eventual fermentation temp to minimize shock to the yeast. However, I plan to make a ...
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Yeast Starter Steps

I want to make a yeast starter for a lager. I even went out and got a 3000 ml Erlenmyer Flask. According to mrmalty.com's calculator I need 506 Billion cells. With the two vials of White Labs yeast ...
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662 views

How to estimate yeast starter viability when using stir plate?

I have just started a transition to making yeast starters and also using a homemade stir plate and am curious how to estimate the viability of the yeast when using this method. Normally, there are ...
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are sub-litre starters viable?

So I was having a discussion about starters with someone, after reading NB's Yeast Pitching Rates document. In which, I read that, with a stir plate, and considering a two stage propogation, I could ...
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Should I always use a starter?

I like using a starter because it seems like it cuts down on the fermentation time, but do I really need to do it for beers that are under 1.070 OG?
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530 views

Should a starter be hopped?

Should I add hops to my starter recipe? I just started using starters, and I haven't been hopping them at all. I didn't even think of adding hops until I read some of the answers on this question. ...
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yeast starter, always a good addition?

If a recipe does not call for a yeast starter, would it help or be harmful for me to add a yeast starter? The current brew I have going has a O.G. of 1.070.
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Starter Chill, Decant, Pitch - Why no problem with Temp Shock?

So an often repeated mantra for starters is to (1) make a starter, (2) let it ferment out completely, (3) chill the starter in the fridge for a day or two, then (4) pour/decant off the oxidized "beer" ...
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Are there dry yeasts that rival liquids for IPA's? [closed]

My HBS just raised the prices of various liquid yeasts. Are there dry yeasts that are as good for IPA's? Recommendations please & should they be pitched dry or as a starter? Thanks.
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Yeast Starter Stopper & Sanitization

I'm going to be making my first yeast starter, for a higher gravity beer. While reading starter guides, and watching videos, I've noticed that there are several different techniques and opinions for ...
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177 views

Saving a yeast starter

I made a beer 2 weeks ago and had 2 liters of yeast starter I made for it. I used about 1.5 liters and saved the rest for later in a sanitized jar in the fridge. Is the starter still fine? Is there ...
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623 views

Can you use dextrose in a yeast starter?

If you don't have ay DME on hand is it ok to use dextrose as the sugar in a yeast starter?
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530 views

What is the proper method of pitching a starter?

What's the proper method of pitching a starter? Do I just pour the whole thing in or do I need to "harvest" a certain portion of it? I just started using starters (.25-.5 Gallons water + 2-4 cups ...
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2answers
365 views

Making a starter when reusing yeast

I want to reuse the washed yeast from a previous batch of beer in my next batch. Should I make a starter for it? If so, how much of it? I looked at MrMalty, and it seems to me they tell me not to make ...
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867 views

What is a stir plate?

What is the function of a stir plate when making a yeast starter? Does it drastically improve the starter process?
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138 views

What is the 'cake'?

I've been looking into ways to restart unfinished fermentation and some sources talk about using a Cake, or yeast cake from previous brews. They also talk about pitching on the cake. I've searched to ...
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612 views

What is the purpose of stepping up a starter

Very simply, what is the difference in pitching 100 billion cells into a 1L starter and into a 2, 3, 4L starter of, say 1.040 OG? I understand the logic with a 5.5 gallon batch of beer: you want ...
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165 views

Canning unfermented wort for yeast farming?

Canning is often used to preserve foods: the microorganisms inside mason jars are killed by a boiling water bath and sealed when removed. Small amounts of unfermented wort are useful when yeast ...
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261 views

Making a starter without DME?

Planning to start to use liquid yeasts and will need to do some starters. It is hard to get hold of DME over here (I can get some hopped LME, though). I was thinking on doing a starter from grains, ...
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77 views

2 yeast starts with one stir plate

I am planning on brewing 2 beers this weekend. I want to make starters for both of them but I only have 1 stir plate. I do have 2 Erlenmeyer flasks. How would be the best way to go about making both ...
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254 views

Purposely underpitching

So I am planning a roggenbier, partially because I want to try one, but largely to grow up a cake to make 15 gallons of weizenbock. Hefe's are ok in my mind, but my palette basically just wants ...
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Yeast Starter with Dry Yeast (S-04)

I know the common wisdom is you shouldn't do this, but I am brewing two mid-to-high gravity beers on Saturday (1.065 and 1.072), and only have one packet. I am now chilling a 2L starter that I was ...
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358 views

How long to refrigerate yeast starter before pitching into wort?

When I brewed last night, my yeast starter had been in the refrigerator for 24 hours and it had "a lot" of yeast settled to the bottom. I am brewing tonight, and my yeast starter has only been in the ...
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682 views

How much yeast nutrient does starter wort need?

I am going to make a batch of wort to be stored in 1 quart jars to make starters from. I'd like to add the yeast nutrient (diammonium phosphate and yeast hulls) at this time so I don't have to mix it ...
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1answer
388 views

How do you harvest yeast from a commercial beer?

I've done yeast starters and I've re-used yeast beds but I have never previously harvested or captured yeast from a commercial beer. I tried it last night, inventing my process as I went but I'm ...
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56 views

Can I reuse a failed starter?

The proprietor at my LHBS gave me an unsold Wyeast 1968 smack pack that was well over a year old. I made a starter for it just to see if it was still viable. It was not viable. Now I need to make a ...
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317 views

Rescuing a weak lager fermentation

I'm currently fermenting a spiced dark lager with an original gravity of 1.064. I began fermentation 2 weeks ago today with a White Labs 830 yeast that I made a starter with. The yeast was a bit old, ...
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How do I know when a starter has hit 'high krausen', when using a stir plate

I've been advised to pitch an alcohol tolerant yeast "at high krausen" into a barley wine where the fermentation has slowed (OG 1.101, now 1.035). But if I've got it on a stir plate, how do I know ...
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How does a yeast starter affect original gravity reading?

I've prepared a 1qt (~1L) yeast starter according to instructions from Wyeast.com. I didn't measure its gravity, but in theory it should be about 1.040. I am brewing a 5 gallon batch of high gravity ...
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Yeast Starter OG - Factoring in the WYeast Liquid

Is there any estimate to the "OG of the WYeast Liquid"? When I make a yeast starter with an OG of 1.040, dumping in the WYeast liquid will bring it down, assuming that the liquid has an OG of less ...
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658 views

Is a yeast-starter without temperature control worse than no yeast-starter at all?

EDIT: Crap, it appears I mislead myself. Northern Brewer includes a temperature range of the particular Wyeast you are using, and I assumed this temperature range factored out off-flavors. I read on ...
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How long can a yeast starter stay on a stir plate before pitching?

Two days ago (on Wednesday night) I made a yeast starter on my stir plate. I purchased a thermometer probe that I intend on modifying a fermentation bucket with, which I thought it would arrive today ...
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243 views

Pitching yeast the next day?

If I wake up and decide to brew an impromptu batch, can I begin a starter at the same time and just pitch the next day? Seems comparable to no-chill brewing as far as contamination concerns, though ...
2
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2answers
451 views

Top Cropping Cell Counts

TLDR: I have no idea how much top-cropped yeast to pitch into a ~1.055 OG Octoberfest (5.5 gallons) I am planning on making an Octoberfest (late I know) on August 18th. Instead of making a boring ...
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2answers
354 views

Yeast Starter for a “Big Beer”

So I'm doing my first "Big Beer" this weekend. It's an Imperial IPA with an estimated OG of 1.096. I'm using Wyeast 1056 with yeast nutrient, a shot of pure O2 and intermittent shaking. Using ...
2
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1answer
179 views

Salty Starter. From Gypsum?

I'm using gypsum for the first time in an IPA I'm brewing in few days. I made a starter today and thought.... since it's a hopped started, why not add a pinch of gypsum. I used PDME and yeast nutrient ...
2
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1answer
254 views

Old DME and Yeast Starters

I just made a yeast starter for my upcoming brew and I realize the bag I was using for DME was pushing a year old and hasn't been through prime storing conditions. It got mixed in with my other stuff ...
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1answer
326 views

Do I need a yeast starter for a 1.040 gravity wort?

I'm brewing on Sunday (today is Friday), and I neglected to get my yeast (WY1056) until just this afternoon. I could make a starter, but I don't know if it would reach "high krausen" in time for ...
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484 views

Use of servomyces in a yeast starter

1 servomyces capsule is the correct dose for 5 galons of wort. If I want to add servomyces to my 1.5 litre yeast starter should i break open the capsule and use only part of it? or is it safe to add ...
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128 views

Why toss the starter wort?

I've wondered about this for a while: most 'how to make a yeast starter' instructions I've seen suggest using only the yeast-rich sludge, and tossing most of the starter medium. This makes sense if ...
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2answers
96 views

Why Reuse Yeast?

Sorry for seeming clueless, but I am clueless. I've only brewed about 15 batches, or less, of extract beers. Thus far, I've always bought prepackaged recipe "kits" similar to a Betty Croker cake mix. ...
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138 views

Will a Yeast Starter Exposed to Sunlight Materially Effect the Beer?

I know not to expose a fermenting carboy to sunlight, but is it OK to expose a yeast starter? I have two of them next to a window with blinds that are ineffective at blocking sunlight. I didn't think ...
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105 views

Gross layer of foam at the end of fermentation and aging

I experienced few times a gross layer of foam when fermentation finishes. But the beer was fine, no symptoms of contamination neither off-flavors. I never measure the depth of foam but it can have ...
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Why Wouldn't Chilling a Yeast Starter Cold Crash or Inactivate the Yeast? [duplicate]

We boil DME and water to make a solution with an OG of 1.040, pitch the yeast and place it on a stir plate for a couple of days to make our yeast starters. After this, it is commonly suggested to ...
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151 views

Should I factor out sugar-to-alcohol conversion in stage 2 of a three-wort batch?

I am planning to make a tripel with OG near 1.085. I need to make a strong starter before subjecting yeast to that kind of gravity. I have read that 1.040 is a good gravity for making a starter. So I ...