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Reusing yeast (saving yeast) question

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DancingBull

Active Member
Joined
Feb 16, 2010
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Location
Charlotte
Hi folks, I saw the Washing Yeast pictorial stickied after I tried a different method, so I'll do that going forward.

Here's my question. I brewed 5 gallons of Czech Pils WLP800 and transferred it to my secondary and made sure to include plenty to trub. I let is sit at 50 degrees F for about 3 weeks. Now when I transferred it again to let it lager, I saved all of the remaining trub and 'liquid' that was at the bottom of my carboy. It filled about a quart mason and separated, try taking up half, and the liquid taking up the other half which is sitting in my refrigerator.

I need to reuse this yeast (I found my lager frozen last night, my thermostat quit or something and it's frozen solid, I am letting it slowly warm up to room temperate), so do I:

1. follow the standard steps for washing yeast that's sticked and that's how get it active again?
or 2. Should I pour the trub and liquid back into carboy when it hits 50 degrees F after letting the mason jar come to room temp?
or 3. Buy a new vial of yeast and pitch it?

Thank you!
 
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