Repitch aging yeast harvest ?

[sborz22]

A simple question for which I cannot seem to find an answer. If I have a yeast harvest that is starting to age (2-3 months in fridge) can I create a new starter and then reharvest and refrigerate again therefore keep the yeast strain for an additional few months?

 

[LLBeanJ]

Yes

 

[RM-MN]

Here's a read for you. The direct answer to your question is yes. The indirect answer is you don't really need to do another starter at 3 months.

http://www.woodlandbrew.com/2012/12/refrigeration-effects-on-yeast-viability.html

 

[sborz22]

Here's a read for you. The direct answer to your question is yes. The indirect answer is you don't really need to do another starter at 3 months.

http://www.woodlandbrew.com/2012/12/refrigeration-effects-on-yeast-viability.html

Thanks so much. That is super helpful!!!

 

[Hoppy2bmerry]

Just last night I pulled a small yeast harvest from I don't know when (note to self date it next time) fed it and this am it is nearly ready to pitch in a small batch. I also had a packet of WHITELABS yeast for a Scottish ale, that expired last year. It is churning away in a starter as I write. Luckily I won't have to run out to the LHBS for fresh yeast today.

 

[IslandLizard]

Just last night I pulled a small yeast harvest from I don't know when (note to self date it next time) fed it and this am it is nearly ready to pitch in a small batch. I also had a packet of WHITELABS yeast for a Scottish ale, that expired last year. It is churning away in a starter as I write. Luckily I won't have to run out to the LHBS for fresh yeast today.

Yeah, let that old yeast churn for a few days, even a week, until it turns milky and light. After cold crashing and decanting do a second step up if you want to save a decent amount out.

 

[Hoppy2bmerry]

Thanks for the friendly advice. It is there already! Actually I was a little off on the expiration had a quick glance and saw the packaged date, it expired April of this year, still it was starting to turn a shade of grey.