Shelf life of yeast
- Thread starter Steve50
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Quite a long time- that's how they're meant to be stored. Viability declines pretty slowly in the fridge.
Yeah, I'm starting to think the viability loss in many of the yeast starter calculators is WAY over-estimating actual loss. I had a vial that was in the fridge for almost a year and yeastcalc.com was telling me I had essentially zero living cells left. I tried building up a starter anyways and, short of doing a cell count, it was pretty obvious there were a bunch of healthy, viable yeast in there.
I feel the same way. Woodland brew has some data suggesting the same thing.
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