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Old 04-20-2006, 03:00 AM   #1
madrean
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Default White Labs Yeast

I bought some refigerated WL yeast yesterday (for making a Bass in case you were wondering...).

Anyway, it was several hours from the time i left the shop and the time i put it in the fridge, and some of that time it was prolly at around 90F or so.

Do you think it is ruined?

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Old 04-20-2006, 03:18 AM   #2
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I'd make a starter and find out.

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Old 04-20-2006, 03:23 AM   #3
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Quote:
Originally Posted by alemonkey
I'd make a starter and find out.
I agree. Make the starter a few days ahead of brew day if you can and if it doesn't take off you have time to replace it.
If I had to bet I would say that it will be OK but you want to be sure.
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Old 04-20-2006, 06:28 AM   #4
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Yup, make a starter, and you will find out for sure. My bet is that its still okay. I read that liquid yeasts are able to survive up to 110 degrees. (Im at work so I cant show my math...lol) So your brief time unrefrigerated should be okay. Not preferred, but okay.

A cool idea (pardon the pun) if you buy yeast and do not go home right away, is to get a thermos that a tube of yeast will fit into easily, add an ice cube or two, add some water, and viola! You are set. Drop in the tube and you have plenty of time.

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Old 04-20-2006, 07:49 AM   #5
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Default White labs yeast

Just a couple hours will not ruin the yeast. A starter is always a good idea.
I once put my tube in a zip lock with ice cubes and rolled it up in a heavy towel. It survived several hours in my car in the sun and made a great fermentation.

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Old 04-20-2006, 03:14 PM   #6
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maybe a dumb question, but how do i make the starter?


thx guyz

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Old 04-20-2006, 03:33 PM   #7
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Quote:
Originally Posted by madrean
maybe a dumb question, but how do i make the starter?...
Take a look here!
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Old 04-20-2006, 09:29 PM   #8
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thanks for the thread link!

i was wondering, can i use the malt extract that came with my Bass kit?

how much should i add? about a cup or so?

i'm thinking that specific amounts of water/sugar aren't really all that critical??

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Old 04-20-2006, 09:39 PM   #9
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Quote:
Originally Posted by madrean
thanks for the thread link!

i was wondering, can i use the malt extract that came with my Bass kit?

how much should i add? about a cup or so?

i'm thinking that specific amounts of water/sugar aren't really all that critical??
it kind of is critical, you dont want the yeast struggling in a super-strong starter...i go by what Dr. chris white says (of white labs yeast):

1 c. dme/3 qt h20
if youve got liquid extract, you can add a little more extract(1.25 c.), or use a little less water(2.5 qt.).

you want about 1.040 for a starter.
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Old 04-20-2006, 11:23 PM   #10
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what if all i have is LME? (liquid)?

thanks


it's like 35 miles to the LHBS.... even with a TDI it adds up...

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