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Old 06-10-2012, 01:48 PM   #1
themack22
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Dec 2011
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My Homebrew store sold me a 500 ml flask, but a lot of places online are saying 1000-2000 ml's for a starter. I pitched the yeast in 450 ml of wort made with half a cup of light DME. Will I be good to go today? It's been 11 hours, probably won't brew for another 4-6 hours.

 
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Old 06-10-2012, 02:05 PM   #2

The size starter you need depends upon the original gravity of your wort and whether you are using ale or lager yeast. If you go to www.mrmalty.com you'll find a pitching calculator that may help you determine how big of a starter to make.

For big starters, you need to step up the starter - there are limits on how much yeast growth you will get with each step. Chris White and Jamial Zanisheff (spelling?) wrote a book called Yeast that you might enjoy reading.

Also, you don't have to use a flask to make a starter - I use a big Ball Jar, for example.

Any size starter you use will be better than not using a starter.

 
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Old 06-10-2012, 02:18 PM   #3
themack22
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Dec 2011
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I went to Mr. Malty and it's saying I need 5.25 liters of starter for one smack pack! Holy cow. I guess I should either pick up more smack packs or not brew today?

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Old 06-10-2012, 02:25 PM   #4
sketerbuck
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Do you have any packs of us-05. If so you could use those in addition to your starter.
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Old 06-10-2012, 02:27 PM   #5
themack22
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Dec 2011
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I don't know what that is. So I guess I don't have any.

 
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Old 06-10-2012, 03:34 PM   #6
themack22
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Dec 2011
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Should I brew next weekend when I have my sh*t together or should I go ahead and try and pitch this small starter?

 
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Old 06-10-2012, 03:39 PM   #7
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Did you make sure to change the yeast production date to match the smack pack you have? How about the starter type?

IMO, a 500ml flask is pretty much useless. I have a 2L, 3L and 5L flask, plus stirplate (and stirbars of various sizes) to make starters in/with.

Also look to yeastcalc.com to make stepped starters for brews. I'll be doing that for this coming batch (on the 16th) going with a 1L then 1.25L starter on the stirplate. Cold crashing between. I'll get pretty much the same yeast colony size as I would with a 5.25L starter this way. Just takes more time, but uses far less DME.
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Old 06-10-2012, 03:53 PM   #8
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Quote:
Originally Posted by Golddiggie View Post
Did you make sure to change the yeast production date to match the smack pack you have? How about the starter type?
That's what I was wondering.... sounds like an awful large starter for a 1.06 brew. OP, check all your parameters on MrMalty, that should give you a much more appropriate size starter for this beer. With week old yeast, in 5.25 gal of 1.062 wort, I get a starter size of 1.64L according to MrM.
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Old 06-10-2012, 03:55 PM   #9
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you can use an old 2l soda bottle in the meantime, add some wort today and pitch in your finished wort tomorrow. not ideal but it would work. you wouldn't be able to decant using it so soon so consider that with your final volume

 
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Old 06-10-2012, 03:57 PM   #10
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Brew today. You have a starter going... Which is more than most people do and great brews still come out of it. I wouldn't stress over it at all.

 
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