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Old 04-12-2017, 09:12 AM   #1
Ken L
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Default Freezing yeast

It seems to be accepted wisdom that you can freeze bread dough without killing the yeast.
Has anyone tried it with brewing yeasts?
Seems like it might be a good option for those using specific strains.
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Old 04-12-2017, 09:48 AM   #2
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Hi!
'Taint easy, but it can be done- https://www.homebrewtalk.com/forum/t...st-bank.35891/
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Old 04-12-2017, 11:18 AM   #3
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I have frozen a few starters before (accidentally) and some of the yeast will survive. Though i would not recommend pitching it without making a starter. Last time i tried it i had no activity after 24 hours so pitched fresh yeast. Have heard of frozen dried yeast lasting 10 years.
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Old 04-12-2017, 12:33 PM   #4
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I made a batch of cider this year with some love brewing champagne yeast that had been opened, resealed, and left in the fridge for a year. seemed to ferment just as fast as my other batches, not tasted it yet.
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Old 04-12-2017, 03:31 PM   #5
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Swmbo put all my stock of dried yeast in the freezer without my knowledge, "because I put the hops in there". However after much moaning from me, there didn't seem to be any ill effects. I have now used all of it with no problems, although I have told her if it happens again I'll have to buy lots more.
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Old 04-12-2017, 04:42 PM   #6
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It's fine to store dry yeast in the freezer as it comes, liquid yeast however, as bigcol says, needs a bit of work to make it freezer safe.
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Old 04-12-2017, 08:33 PM   #7
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Interesting.
I was thinking of using glycerine to help guard against ice crystals and the article backs up the idea.
I already have the test tubes so I may give it a shot.
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