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Old 24-02-2015, 06:13 PM   #1
Reddishflint
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Default Yeast....... sprinkle or stir?

Hi again fellow brewers. Some kits say to sprinkle yeast on top and some kits say to stir in. Does stirring kick in the fermentation process quicker?
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Old 24-02-2015, 06:28 PM   #2
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it depends on the yeast. Some need to be rehydrated first - if there are no specific instructions on the pack, sprinkling it on top is best (I find)
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Old 24-02-2015, 06:32 PM   #3
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i have been sprinkling on top of the foam, leaving for 15-30 mins and then stirring in
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Old 24-02-2015, 06:32 PM   #4
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I'm about to make my second batch of Woodforde's Wherry and it says to sprinkle on top. Best to sprinkle on top then I guess.
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Old 24-02-2015, 06:48 PM   #5
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I posted my last comment same time as you Toffee. So you stir in the yeast what comes with Wherry? Notice you're from Cardiff. I'm up in the valleys.
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Old 24-02-2015, 07:22 PM   #6
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alright boyo!

yeah, i've done two wherries, and neither have "stuck" like some.

before I pitch the yeast I whip up the wort a good un until there is a good layer of froth on it. then I sprinkle ontop, and put the cover on the FV. i leave it there to rehydrate a bit and then I gently stir it in.
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Old 24-02-2015, 08:11 PM   #7
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I sprinkle the yeast, give it a gentle stir and then seal it up quick.
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Old 24-02-2015, 08:40 PM   #8
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This reminds me of that bog roll ad; fold or scrunch? As if anyone cared.

I sprinkle.
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Old 24-02-2015, 11:49 PM   #9
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I sprinkle but I will admit I have latter stirred mainly having realized from the S.G. reading I must not have stirred enough to start with. Reading the on line guides it would seem yeast can double it's size every half hour so within a few hours it would not really matter what you did. However sitting on foam I would guess allows it to adjust to temperature slowly before re-hydration so likely less shock to yeast.

Stirring will allow more fermentables to come in contact with yeast so faster start but that is likely to equate to half and hour so does it really matter?

The faster the reaction the more heat and I am aware how easy it is to add yeast when a little too hot anyway. I now tend to start at 19C until everything has slowed down then ramp up to 20C and I feel a slow start is likely a good thing.
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Old 25-02-2015, 03:30 AM   #10
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I've mostly used Fermentis yeast and I sprinkle and allow it to sit for about 30 mins and then stir.
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