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The Brewing Forum • View topic - How To . . . Rehydrate Yeast

How To . . . Rehydrate Yeast

If you know how to do something, and how it should be done, tell us here.

Re: How To . . . Rehydrate Yeast

Postby Aleman » Thu Jan 22, 2015 17:47

Well as long as it's a big enough starter. . . Say like 5 litres . . And you pitch within 24 hours . . . I've been known to make a 20L starter for my big batches of lagers. 3 sachets of yeast pitched at 9C then the whole starter gets pitched into 80L 48 hours later.
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Re: How To . . . Rehydrate Yeast

Postby Zod » Fri Jan 30, 2015 13:12

I'm planning to rehydrate a yeast this evening, but since it's a kit yeast (Festival - Father Hooks Bitter) I have no idea what strain it is.

is 30c a pretty safe water temperature to rehydrate at?
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Re: How To . . . Rehydrate Yeast

Postby rpt » Fri Jan 30, 2015 13:33



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Re: How To . . . Rehydrate Yeast

Postby Zod » Fri Jan 30, 2015 13:52

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Re: How To . . . Rehydrate Yeast

Postby Rolfster » Sat Sep 17, 2016 13:24

Is anyone rehydrating wine yeast? I'm thinking of clearing out the freezer of some soft fruit and using it to make a wine with. The yeast is a little on the old side so I was going to rehydrate it to see if there is any life left in it first. It's youngs wine yeast.
I'm think the water should be 30 degrees. Any thoughts?

Edit: I found this which answers my question! http://www.winegrowers.info/wine_making/Yeast.htm
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Re: How To . . . Rehydrate Yeast

Postby Rolfster » Fri Jun 22, 2018 12:04

Just seen this due to another thread.... looks like we don't need to be rehydrating fermentis yeast.

https://fermentis.com/news-from-ferment ... -pitching/
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Re: How To . . . Rehydrate Yeast

Postby chastuck » Fri Jun 22, 2018 15:29

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Re: How To . . . Rehydrate Yeast

Postby MartinSmith » Wed Apr 24, 2019 08:05

Interesting read. Still learning. Thanks for sharing.
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Re: How To . . . Rehydrate Yeast

Postby mabrungard » Sat May 25, 2019 15:00

If you're starting with water with very little mineralization like DI or RO water, you can create an acceptable rehydrating solution by adding epsom salt at the rate of 1 to 2 grams per liter of water. I would go with the low end of that range, but this dosage is forgiving. Magnesium has been proven to be a more ideal ion for rehydration than other cations.

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