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Wyeast now only “best if used by Date”

I thought I was going blind (er) but looked all over my last Wyeast Ale liquid pack yesterday and could find no date of manufacture . Seems they are only printing “Best if used by xxxx “. Dates on the package. Prob doesn’t make a ton of difference but it was fun to see the estimated cell counts and calculated effects of starter/ stir plate.
Maybe too many packs were being left behind at the home brew stores as people of course grabbed the freshest.

I know I always did.

From their website.
_ Best if Used by: This package is best when used within 6 months of the manufacturer’s date when stored between 34-40°F (1-4°C). Older yeast or yeast that has been exposed to higher or lower temperatures may take longer to become active or swell. text_

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