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Old 04-10-2010, 04:53 PM   #1
Llama
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Default Starter from expired yeast

Hey guys,

So I'm brewing an IPA today and made a starter last night from a vial of expired yeast, hoping I could get it to come alive and ferment my brew today.

I made about 1.8L starter using DME and some yeast nutrient, boiled 10 minutes and have a gravity of 1.048. I let it cool to ambient before pitching the yeast. The yeast is White Labs California Ale. It expired on 1/28/10.

I got up this morning and checked the gravity again, and it was still 1.048. I expected it to go down a few points at least.

Are my yeasties completely dead, or should I be more patient? Would you advise me to get more yeast for my brew today?

Thanks!

Llama


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Old 04-10-2010, 04:58 PM   #2
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I'd be getting some more yeast. What you have may have enough life left to it to multiply and be pitchable, but I can't see it happening in the next few hours. Maybe just splurge and get a couple vials or go with a dry yeast since you're brewing an IPA.


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Old 04-10-2010, 05:07 PM   #3
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Unless you're ready to deal with a 48-72 hour lag, get new yeast. I've made starters with expired yeast before and it's taken 4-5 days to get moving.

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Old 04-10-2010, 05:51 PM   #4
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Thanks for the advice!

I'll be buying some sachets of yeast today.

Any advice of what I should do with the starter?
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Old 04-10-2010, 06:07 PM   #5
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You can keep it going and see if it pulls through. Then just put it in the fridge until you're ready to brew again.
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Old 04-10-2010, 07:10 PM   #6
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A January Date will probly have one heck of a long start..

But if its only a month should go real quick.. I Have used expired white labs as well and worked out fine but if i use white labs i make my starter like 2 day before just to play it safe!
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Old 04-10-2010, 07:54 PM   #7
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I had a Wyeast Irish Ale Activator pack that had a July 2008 production date on it. I made a starter from it 2 weeks ago. It took 4 days to swell the smack pack, then I pitched it into a 2L starter. It was fine. I pitched the starter into a 5gal batch of Irish Stout, and it got down to 1.013.

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