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Old 02-08-2014, 05:49 AM   #11
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Originally Posted by MichiganMike View Post
I just bought two kits both with White Labs California Ale V Yeast WL051 that was shipped to my house today. I am not home and will not be home until 11:30 tonight. My question is that it is only 14 degrees outside right now, should I worry about the yeast freezing and if it does freeze will it be destroyed?
According to White Labs each freeze/thaw cycle will cause a 10% loss of viability.
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Old 02-08-2014, 06:05 AM   #12
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+1 to making a starter, freezing probably won't kill the entire vial of yeast but it can kill some of them and making a starter with liquid yeast will help increase both viability and vitality, plus it is a good practice for practically all ales.

Off topic, but the issue you had with the extract kit stopping at 1.020 using dry yeast is a different issue entirely and shouldn't be wrapped up into the frozen vial/starter thing. Extract batches can sometimes stop at 1.020 - I wouldn't say often, as I've done a lot and only had one that stopped there - due in part to the fermentability of the extract for many reasons like age, maltster quality control, but also in part to the viability of the yeast because of both the age of the packet and whether it was rehydrated or not.

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Old 03-05-2014, 09:32 PM   #13
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I should have updated earlier but I guess better late than never. I made a yeast starter on Friday for the batch of beer that was planning brewing Saturday. The starter seemed to be very effective. The starter was very active Friday night and Saturday morning. The day after brew day (February 16th) there was major action in my fermenter which lasted around 6-7 days. The OG was 1.066 and when I checked the other day it was at 1.012 :-). I am very happy I went with a yeast starter and am looking forward to testing this beer out in 4 more weeks :-)
Thanks for everyone's help :-)

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