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Yeast Labs

 
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morrillt




Joined: 16 Dec 2014
Posts: 56
PostLink    Posted: Sun Jan 18, 2015 9:33 pm    Post subject: Yeast Labs Reply with quote

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So as some of you make know... I am looking to make lots of beer. like 300 gallons a month. Anyway I live in south america, and wet yeast is really hard to get down here, essentially i have to have friends courier it.

So my questions, is you can only reuse yeast 2-3 times right? How do labs make yeast? Is there an intro article into this? Is it really hard / expensive? I would like to consider taking it up a level as right now i have to pay 300% the cost on yeast.... and its getting pricy?

I have done some googling and cant seem to find a good foundational article. If someoe can point me in the right direction, I would be greatful!
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Castermmt




Joined: 03 Jan 2011
Posts: 863
Location: Lowell, In

Drinking: Steelhead Porter, Alt-Toids, Hefty-Weizen, Terry's Kolsch, African Amber, Pumpkin Ale, Double Dog Ale

Working on: Janet's Brown Ale, Terry's Kolsch, Pilsner
PostLink    Posted: Mon Jan 19, 2015 1:53 am    Post subject: Reply with quote
Yeast: The Practical Guide to Beer Fermentation (Brewing Elements).
Follow the link below. This book will give you what you need to know to harvest and maintain your own yeast cultures. Hope this helps, Castermmt
I went to Amazon from this site, I hop the link helps support this site.

http://www.amazon.com/gp/product/B00FE0LQ9A/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B00FE0LQ9A&linkCode=as2&tag=theelectricbrewery-20&linkId=JPO4M6GOZC3PXGNX

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Last edited by Castermmt on Mon Jan 19, 2015 2:02 am; edited 1 time in total
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kal
Forum Administrator



Joined: 12 Dec 2010
Posts: 11121
Location: Ottawa, Canada

Drinking: Pub Ale, Electric Creamsicle, Mild, Pliny the Younger, Belgian Dark Strong, Weizen, Russian Imperial Stout, Black Butte Porter
PostLink    Posted: Mon Jan 19, 2015 2:00 am    Post subject: Re: Yeast Labs Reply with quote
morrillt wrote:
So my questions, is you can only reuse yeast 2-3 times right?

No. There are breweries that, with careful attention, have been reusing for years.

The book linked to above is your best bet.

Kal
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Last edited by kal on Mon Jan 19, 2015 5:55 pm; edited 1 time in total
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foomench




Joined: 21 Feb 2012
Posts: 704
Location: Longmont, CO

Drinking: Pinot barrel aged quad

Working on: Flanders oude bruin in barrel, Flanders red fermenting to refill the barrel
PostLink    Posted: Mon Jan 19, 2015 5:16 pm    Post subject: Re: Yeast Labs Reply with quote
morrillt wrote:
So my questions, is you can only reuse yeast 2-3 times right?

I regularly ask craft breweries how many times they repitch yeast, and the general answer is 7-15 times. That's a fairly big range, but a lot more than 2-3. Factors that go into it are how sanitary you are, how frequently you repitch vs. letting the yeast site idle, and even the strain of yeast.

That's straight repitching. Read a good book or two and set up a lab, maybe hire a chemist, and you're good for years as Kal mentions.
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