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Old 08-04-2009, 01:21 AM   #1
nebben's Avatar
Nov 2008
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I've got a WLP810 San Francisco lager yeast that was first pitched in December of '08. I've used it as recently as May to make a starter for a pale ale...and it worked terrific.

I've got one bottle left of the original yeast that I harvested around New Years day...I'll probably put it back to use in October and re-wash yeast then to keep going for next year.

How old are your longest aged yeast vials/washed pints?

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Old 08-04-2009, 02:38 AM   #2
bad coffee
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Jun 2008
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wlp004 and wlp400 washed from may '08. Last time I used the 400 it took off in the starter vial.
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Old 08-04-2009, 02:46 AM   #3
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Jun 2008
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I have some 1084 from April '08 but I just took a whiff and it's time to get rid of it...

[Edit: Oops, actually that wasn't washed... it was a starter I ended up not using.]

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Old 08-04-2009, 05:09 AM   #4
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Feb 2008
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I have some 3068 that I got lazy on and let sit on slant for nearly a year. Two batches in a row are pathologically unfloccing. Like there is only dust on the bottom of the glass. Stupendous wispy cloudiness. In no way normal.

I have recultivated another plate --> slants from a sterile water suspension to see if I can get back to a unmutated state, but haven't tested yet in actual weizenbeer. Need to do that.

sampling the brew rather liberally tonite, sorry if not making the best sense. Will clarify later if needed.

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Old 08-04-2009, 03:33 PM   #5
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Jan 2007
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I just got done using a San Fran that expired in 2007. It sat in the fridge the whole time. I made a starter and stepped it up over 72hours. I fermented with it (steam beer) and washed it and it's now sitting in my fridge again. I transferred the beer to a carboy and it was at FG1.012.

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Old 08-04-2009, 04:36 PM   #6
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Feb 2005
Atkinson (near the Quad Cities), IL
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2-3 years maybe...
HB Bill

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Old 08-04-2009, 05:00 PM   #7
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Jun 2008
Rhode Island
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About a month and a half.... I've already used it for 20 gallons worth and I'll be making a starter this week or next week with it to do another 10 gallons with some of it.... It settled out funny so I may actually be posting a pic with questions... I'm still new to this yeast washing thing but thus far it has saved me about 20 bucks!
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Old 08-04-2009, 05:11 PM   #8
Sep 2008
Posts: 9

What do you mean by the term "washing" the yeast?

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Old 08-04-2009, 05:49 PM   #9
May 2009
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Yeast Washing Illustrated

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Old 08-04-2009, 11:57 PM   #10
Bernie Brewer
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Feb 2006
Eldorado, WI
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Most of my stuff is at least six months old by now.
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