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morrillt
Joined: 16 Dec 2014 Posts: 56
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Link Posted: Sun Jan 18, 2015 9:33 pm Post subject: Yeast Labs |
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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
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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
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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
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Link Posted: Mon Jan 19, 2015 5:16 pm Post subject: Re: Yeast Labs |
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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.
_________________ Brewery equipment photos (et al) here: https://picasaweb.google.com/114861423235799103704
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