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Old 10-13-2012, 10:46 PM   #1
jsiesener
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Default Pitching ?

I have been trying to read on pitching yeast and wondering how do you know if you are under pitching or over pitching(if you can over pitch)? Using the extract kits and the packets of yeast they come with.

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Old 10-13-2012, 10:53 PM   #2
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There are a few yeast calculators out there that will tell you how many cells you need. Try mrmalty.com or yeastcalc.com.

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Old 10-14-2012, 12:40 AM   #3
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Doesn't yeast just reproduce until it hits whatever ratio it likes? I've been trying to figure out why people do starters and such, I would think with enough time it would work itself out in the end.

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Old 10-14-2012, 02:18 AM   #4
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It sure will multiply to required levels but it will also produce off flavors in a beer.

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Old 10-14-2012, 05:28 AM   #5
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Yes, the yeast will ferment your beer. The key is getting a clean fermentation. This means pitching the right amount of cells, and controlling your fermentation temperatures. Under pitching your yeast will still result in fermentation, but stressed yeast will produce off flavors in your beer.

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Old 10-14-2012, 09:24 AM   #6
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FYI - they don't recommend using starters for dry yeast. The manufacturer goes through a lot of effort to prep them before drying, so you just need to rehydrate them. If you're short on yeast cells you'd want to pitch extra packet(s)

Note that most beginner kits only come with 1 packet of dry yeast. Don't panic if you didn't buy extras and now you don't have enough. It isn't ideal, but the beer should still be fine.

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Old 10-14-2012, 01:16 PM   #7
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So is there a way to figure out the amount of yeast needed without going to the website and using the yeast calculator? And no offense but still trying to figure out my original question. How to know how much yeast to use.

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Old 10-14-2012, 01:44 PM   #8
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Quote:
Originally Posted by jsiesener
So is there a way to figure out the amount of yeast needed without going to the website and using the yeast calculator? And no offense but still trying to figure out my original question. How to know how much yeast to use.
You'll have to do the math by hand or using excel. The article below has the calculations. You'd need to look up original cell count of the yeast packet/vial that you are going to use.

http://www.mrmalty.com/pitching.php
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Old 10-14-2012, 03:03 PM   #9
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Quote:
Originally Posted by brewguyver View Post
You'll have to do the math by hand or using excel. The article below has the calculations. You'd need to look up original cell count of the yeast packet/vial that you are going to use.

http://www.mrmalty.com/pitching.php
Thank you
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