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Old 02-10-2012, 03:47 AM   #1
vera
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Default aerating yeast starter

I don't have a stirplate. Would it make a difference to constantly aerate my yeast starter with an aquarium pump that has a sterilized filter, and an air stone? Has anyone tried this before? Any thoughts as to why it would or wouldn't work? I would imagine that this technique would help keep the yeast in suspension while introducing oxygen.

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Old 02-10-2012, 03:55 AM   #2
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I think it would work great. Just keep an eye on sanitation, and it should be fine. I was actually thinking of doing the same thing tonight. I use a stirplate, but I figured I could do constant aeration at the same time..

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Old 02-10-2012, 05:41 PM   #3
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That is what I use for aerating. I have a stainless stone that I got from the LHBS and boil it before each use. I just don't trust anything other than heat for sanitizing those miniscule pores.

In my experience the starters will foam up after a couple hours with the pump going. Once the foam gets up to the top of my flask I stop pumping and then just shake it periodically for the rest of the time my starter is going. So I guess its a hybrid of "intermittent shaking" and "continuous aeration" on Mr Malty.

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Old 02-10-2012, 08:32 PM   #4
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I use my Mr Beer for starters and just shake it whenever I think of it. I guess a stir plate or other continuous system works better, but it isn't equipment that I desire to own. There's enough other stuff.

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Old 02-11-2012, 02:28 PM   #5
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Quote:
Originally Posted by zacster
I use my Mr Beer for starters and just shake it whenever I think of it. I guess a stir plate or other continuous system works better, but it isn't equipment that I desire to own. There's enough other stuff.
Are you saying that you put your starter in a big bucket?
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