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Old 10-12-2006, 06:20 PM   #11
Evan!
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Is there a way a homebrewer could keep yeast long term? For example if I only used london ale yeast and wanted to grow my own. Would it be as simple as saving a yeast cake? What about the rule of only using it for a few times?

While yeast is not that expensive it is about a 3rd of my brew cost, it would be great to have a large supply of my own to draw from.
You can always wash your yeast (do a keyword search of these forums!), then save it in the fridge for maybe a month before using it again. Then just do a starter and get the viable yeasts going again, and repitch.
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Old 10-12-2006, 06:50 PM   #12
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You can always wash your yeast (do a keyword search of these forums!), then save it in the fridge for maybe a month before using it again. Then just do a starter and get the viable yeasts going again, and repitch.

So save my current large yeast, then take a small portion of that and do a starter? I figure I probably have 2 quarts of clean yeast left after fermentation is done. I could wash that then use portions.. Gotcha.

Do you think that is how they do it? I saw on modern marvels the guys was spooning it from a freakin bucket. Must have been 4 Gallons of yeast!
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Old 10-12-2006, 06:50 PM   #13
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there are also some people who grow it in slants and have many, many vials they can use. Just google yeast slants.

caution on the other technique. Supposedly it starts to mutate after about three generations and you should buy more at that time.

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Old 10-12-2006, 07:24 PM   #14
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there are also some people who grow it in slants and have many, many vials they can use. Just google yeast slants.

caution on the other technique. Supposedly it starts to mutate after about three generations and you should buy more at that time.

I've heard the generation thing as well. If I save a large batch and take samples from it to use, then it is still just the second generation right? How does that whole thing get impacted by starters and such? How is white labs growing a bucket full of yeast?
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