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Old 03-16-2008, 02:49 PM   #1
Sep 2007
Maine, Portland and Beyond.
Posts: 356
Liked 2 Times on 2 Posts

So I decided today that I want to bottle today or tomorrow. I have a packet of dry lager yeast that I opened about 3 weeks ago to bottle my last batch. I was wondering what the shelf life of opened dry yeast is? (Kept in the fridge.) My LHBS is closed today and tomorrow so I canít get new stuff. Normally I wouldnít worry about it, but this beer has been sitting in the secondary for about 2 months. Iím not all that worried about infection, more about viability. Is this yeast still going to start up for me?
Melancholy Dog Brewery

Planed: more cider.
Primary: empty
Secondary:Dry hopped amber ale, Does Equis clone.
Keged:Pumpkin spice, wizen.
Bottled: Hard cider, Oaked bourbon vanilla cider, Vanilla Porter.

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Old 03-16-2008, 03:00 PM   #2
Professor Frink
Professor Frink's Avatar
Sep 2006
San Diego, CA
Posts: 3,085
Liked 19 Times on 16 Posts

As long as you kept it away from O2, in a ziplock bag for example, it should last plenty long, a few months I would think. I've used open dry yeast after a month or so with no problems.
Primary: Cherrywood Smoked Porter
60 Minute IPA
On tap:Amber Ale
Milk Stout


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