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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Using old yeast cake?
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Old 10-01-2012, 05:14 PM   #1
Stellarstar
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Default Using old yeast cake?

Am going to make same brew as got on at moment, how do I re-use yeast cake? How much to add? How to store? Cheers

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Old 10-01-2012, 05:21 PM   #2
amandabab
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I reuse a yeast cake every other batch, just pour the wort on it.

Lots of people warn about over pitching. but no one can tell the difference between a fresh pitch and a cake pitch of the same recipe.

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Old 10-01-2012, 08:05 PM   #3
william_shakes_beer
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Happens all the time. Some wil wask and store, some just pitch on the old cake. Some things to consider:

1. Always pitch to a darker recipie of a recipie of the same color. Pithching to a lighter wort will likely impart flavors you did not intend.
2. Having a cake hanging around for a prolonged period of time will increase the likelyhood that bacteria will infect the cake. Personally I would wash and store the cake unless I was planning to use it within 24 hours.
3. If you ae interested in yeast propogation, consider harvesting, either from a spent cake or (as I do) from a split starter.

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