Bottle Harvest Yeast Quick Question - Home Brew Forums
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Old 07-27-2010, 12:28 AM   #1
Germelli1
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Jul 2010
Blacksburg/Herndon, VA
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I have read many times that you can use sanitized foil to make a seal or airlock for a a flask or mason jar in which you are harvesting yeast from a commercial brew.

I was just wondering how you want to arrange the foil? Do you want to get it as airtight as possible and assume that air will get out of it anyway?

I am just confused on how to actually use the foil



 
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Old 07-27-2010, 12:37 AM   #2
Germelli1
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Jul 2010
Blacksburg/Herndon, VA
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I tried to figure out how Revvy did his in http://www.homebrewtalk.com/f12/pacm...5/#post1617242 but couldnt quite figure it out



 
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Old 07-27-2010, 03:09 AM   #4
spriolo
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Jun 2010
West Michigan
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Also, the foil doesn't create an air tight seal. You want oxygen in the bottle so the yeast can grow. Another reason to give it a swirl every once in a while; to encourage more oxygen in the starter wort.

 
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Old 07-27-2010, 03:14 AM   #5
Germelli1
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Jul 2010
Blacksburg/Herndon, VA
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Thanks a ton both of you!

That is exactly what I thought but I wasnt sure



 
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