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Old 02-23-2008, 03:46 AM   #1
mullimat
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Default When to rehydrate dry yeast?

I have been reading a lot about how the liquid yeast packs need to be set out a few hours to warm up and then i think you're supposed to activate them and let them sit for a few hours more before pitching? Maybe i have it wrong. Anyways, i'm about to brew my first time tomorrow and i will be using nottingham yeast. I know this needs to be rehydrated so when would i do that? Will it be done a few hours before i pitch it (like should i rehydrate it tonight?) or when?


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Old 02-23-2008, 03:59 AM   #2
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do it about 15 - 30 minutes before you pitch.

dry yeast is real simple. its best to boil a cup of water, then cool it with some tinfoil over the top (to keep it sanitary). when the water's 70-80F, dump in the yeast and just lightly stir it in so its all wet. then let it chill a bit.

Now, since its your first brew, remember you've got to cool the wort down to 70-75F too, and that can take a little while.

its perfectly fine to wait on the yeast until you get the wort cool. then just keep the bucket lid on, or the carboy cap/bung in place while the yeast hydrates.

Right before you pitch the yeast, stir it up a little (with a sanitized spoon) and that'll make it really easy to pour. no yeast sludge at the bottom.


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Old 02-23-2008, 04:00 AM   #3
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I usually just warm up about a cup of spring water on the stove to about 90, poor that into a sanitized measuring on top of the yeast while I am cooling my wort. Just cover with some aluminum foil. When I have everything in primary I just poor her in!

Edit: Yeah like malkore said!
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Old 02-23-2008, 04:06 AM   #4
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Cool! Thanks for the info! I can't wait to start brewing.
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Old 02-23-2008, 04:22 AM   #5
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Waste of time- IMO
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Old 02-23-2008, 04:37 AM   #6
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The directions on the packet from Nottingham say to hydrate, so who am I to argue.................

I don't think 15 minutes or an hour makes any difference. I boil my hydrating water when I start heating my mash water and I add my yeast to the glass of water sometime after the boil has started. I put all my stuff on a TV tray in order of additions so I don't forget to add anything. I have almost forgot to add the yeast a couple times. (yeah, I drink when I brew)
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Old 02-23-2008, 06:20 AM   #7
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Nottingham comes in 5grm packets right?
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Old 02-23-2008, 06:25 AM   #8
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Quote:
Originally Posted by MikeFlynn74
Waste of time- IMO
It makes a huge difference in initial cell count. I've tested it. See my vids.
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Old 02-23-2008, 06:51 AM   #9
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I don't think it hurts at all so I wait until the wort is at pitching temp and they rehydrate with preboiled water. I see activity in 20-30 minutes.
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Old 02-23-2008, 06:54 AM   #10
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Quote:
Originally Posted by MikeFlynn74
Nottingham comes in 5grm packets right?
11 gram packets


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