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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Do you know how to make a yeast starter? Then why not farm yeast and freeze it?




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Old 11-07-2012, 08:45 PM   #311
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I would agree with you. I think 2x10e8/ml is about the highest density you can achieve with optimal conditions. To be honest, I just assume about 1-2x10e8/ml as max density when brewing. After all, I'm not publishing my results, I'm drinking them



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Old 11-07-2012, 09:53 PM   #312
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I just assume about 1-2x10e8/ml as max density when brewing.
I think that's a safe assumption as long as you're starting your culture at a concentration higher than 20e6/ml, as illustrated when you express the data as below.




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Old 11-09-2012, 07:45 AM   #313
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I finally got a chance to look at the article. Good summary. Nice job Brewitt.

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Never Ending Liquid Yeast - How to Farm Yeast and Freeze it.

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Old 11-09-2012, 03:30 PM   #314
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I finally got a chance to look at the article. Good summary. Nice job Brewitt.
Thanks. I appreciate the feedback. Especially from the originator of the thread. By the way, I did get promoted to Premium but what do I do with it. I'm not too interested in arguing with folks in the debate forums ;-)
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Old 11-09-2012, 05:05 PM   #315
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Thanks. I appreciate the feedback. Especially from the originator of the thread. By the way, I did get promoted to Premium but what do I do with it. I'm not too interested in arguing with folks in the debate forums ;-)
LoL. Well, you should at least browse the boneyard for a minute

Yeah, I liked how you pointed out that some of the methods needed further testing. I had planned on doing something similar by revising this thread but I just didn't feel like a major re-write was warranted until more data came in. You left the door open for improvement and hopefully you can edit if and when the process evolves. Plus, now the information is readily available independent of the search function and hopefully folks will benefit from it.
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Old 11-11-2012, 04:27 PM   #316
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Brewitt / Forkhead,

How are you mixing your glycerine solution? % v/v or w/v. The reason I ask is becasue v/v is a higher concentration than w/v. I'm ready to freeze up a bunch of jars of pacman and was contemplating how much glycerine to use. I already have a couple sterile jars of 60% and 50% w/v solution. I'm going to dilute them and was wondering what you guys have been doing.

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Old 11-11-2012, 04:31 PM   #317
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Brewitt / Forkhead,

How are you mixing your glycerine solution? % v/v or w/v. The reason I ask is becasue v/v is a higher concentration than w/v. I'm ready to freeze up a bunch of jars of pacman and was contemplating how much glycerine to use. I already have a couple sterile jars of 60% and 50% w/v solution. I'm going to dilute them and was wondering what you guys have been doing.
I've been using v/v
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Old 11-11-2012, 04:45 PM   #318
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Thanks forkhead. Brewitt suggests mixing glycerine 4:1 in his article, so I'm pretty sure he's using v/v as well.

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Old 11-12-2012, 02:48 AM   #319
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How do I sanitize the glycerine solution without a pressure cooker

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Old 11-12-2012, 03:20 AM   #320
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How do I sanitize the glycerine solution without a pressure cooker
Boil it like you would starter wort.


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