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We have a new leader in the clubhouse! My buddy Matt has done two year old yeast... 3.5 year old takes the cake, I'd say.
In 2011. I gave a guy in our local club a six-year old slant of Brewtek CL300 Belgian ale yeast. He made a starter, and it took off in a week. After he brewed with it, I got some of the slurry back and made a killer tripel with it.
And now, we have six years. Though, to be fair, a slant is a little different than a vial of liquid yeast.Probably not THAT different, but still...
Quote from: homebrewdad7 on September 15, 2015, 10:35:21 amAnd now, we have six years. Though, to be fair, a slant is a little different than a vial of liquid yeast.Probably not THAT different, but still...If anything, I'd think it would be more fragile. The recommendation is to reculture slants every 6 months. chumley, did you do that?
If anything, I'd think it would be more fragile. The recommendation is to reculture slants every 6 months.
Quote from: denny on September 15, 2015, 10:36:58 amIf anything, I'd think it would be more fragile. The recommendation is to reculture slants every 6 months. As long as it is it is kept aseptic, a slant is definitely less fragile. The culture grows in the presence of O2, and it does not lie in its own waste. I have subcultured slants that were two years old without any problems. I have maintained cultures on slant for over a decade. Granted, the cultures were periodically subcultured, but I do not believe that I subcultured more frequently than once per year.
So even more impressive, though really, six years already boggles the mind. I love good Belgians. Would love a chance to try this yeast.