Should i use my yeast slurry? - Home Brew Forums
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Old 12-28-2011, 11:51 AM   #1
bob3000
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Feb 2011
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last week i brewed an APA. I prepared a large jar of boiled water in order to wash and reuse the yeast. I put the boiling water in the jar, covered with clingfilm(saranwrap) and left outside to cool. Predictably, the clingfilm popped with the temp difference leaving a hole in the cover for about an hour before i noticed. It was a cool winter night with a little breeze. i then went on to wash my yeast with this water and it is sitting in my fridge.

So my question is?

Should I use this yeast for my brew tonight or is it too risky?



 
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Old 12-28-2011, 12:14 PM   #2
JonM
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Looks like time is short here, but if it doesn't smell bad and the color of the yeast isn't brown or funny-looking, it's probably okay.

It's usually best to make a starter with washed yeast - that way, you know for sure whether it's good before you put it in your beer. Cheers!


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Old 12-28-2011, 03:31 PM   #3
Calder
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It should be fine. You will have many more yeast cells than anything else. Providing the yeast get off to a good start, nothing else will stand a chance.

Remember we sanitize, and not sterilize; it's basically to ensure the yeast population is much greater than anything else in there.

 
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Old 12-28-2011, 06:56 PM   #4
bob3000
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Good! Glad to hear it. I've just made a starter. fingers crossed.

 
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Old 12-28-2011, 07:11 PM   #5
Malticulous
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You should not need a starter if you have only stored it a week.
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Old 12-28-2011, 11:06 PM   #6
bob3000
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i like to get the yeast going at the start of the brew day so by the time i pitch it it, it's at full krausen.



 
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