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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Yeast Nutrient??
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Old 01-19-2010, 04:16 PM   #1
chrisgray
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Default Yeast Nutrient??

I'm an extract brewer and have recently been told that I should use Yeast Nutrient for a stronger yeast and, I suppose, a more complete fermentation. Do any of you have experience or knowledge of this stuff?

Thanks in advance!


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Old 01-19-2010, 04:20 PM   #2
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who told you you need yeast nutrient? i've always been under the impression that the extract provides all the nutrients the yeast need. adding it wont hurt anything.


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Old 01-19-2010, 04:20 PM   #3
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I use it in every batch. Extract or all grain, you still want the yeasties to at their peak so they can convert all that sugar to alcohol. Sure they'll grow if you don't use it, but I figure I want to give them every possible advantage (which also means oxygenating and using a big starter). Stressed yeast can lead to off flavors and stuck fermentations.
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Old 01-19-2010, 04:21 PM   #4
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I just use starters... if I'm doing a more normal beer w/ OG like 1.050 or so, I just pitch usually, though, as liquid and dry yeasts have more than enough healthy yeast cells to do the job right. If I'm doing a bit bigger beer, I'll do a starter, and make the yeast extra happy.
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Old 01-19-2010, 04:24 PM   #5
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I've never used them. I just make big starters or double my dry yeast amount if I feel the need.

Who told you you NEED to use it?
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Old 01-19-2010, 04:30 PM   #6
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Should I be adding yeast nutrient to my starters? To help boost older (few months) washed yeast.
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Old 01-19-2010, 04:33 PM   #7
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Quote:
Originally Posted by mosquitocontrol View Post
Should I be adding yeast nutrient to my starters? To help boost older (few months) washed yeast.
depends what you put in your starter. if you use DME i would say no.
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Old 01-19-2010, 04:40 PM   #8
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One of the Brewmasters from Brooklyn Brewery gave a class on yeasts where I work (Brooklyn Kitchen Labs, we have a home brew section now!) last night (I couldn't make it) and suggested, I am told, that extract brewers could greatly benefit from using Yeast Nutrient. I suppose a big started would do the trick as far as good fermentation is concerned, I just wanted to know what the home brew community thought. I trust you guys!
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Old 01-19-2010, 04:46 PM   #9
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Malt extract provides sugar, protein and a few minerals. Yeast nutrient adds lipids, vitamins and other things needed for optimal growth not found in the extract or wort.

Again: you don't need it; but having happy yeast is a good thing, right?

http://www.howtobrew.com/section1/chapter6-9-1.html

BTW - for a starter, I generally don't add extra nutrient, as I use smack packs, which have some nutrient built in. If you are using white labs or washed yeast, nutrients could help.
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Old 01-19-2010, 04:47 PM   #10
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I only use yeast nutrient to wake up a dormant, washed yeast. I find that they become active more quickly and I don't have to make my starters as far in advance.


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