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Old 06-29-2007, 09:12 PM   #1
p38a
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Default Yeast quantity

I've started experimenting with 1 gallon batches to learn about variances in ingredients. I'm wondering, can I add too much yeast? Not enough? Or is it simply that yeast present eats fermentables present until there are no more fermentable present?

Also, if I got an 11g package of yeast and used 3, can the rest be refrigerated or frozen?



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Old 06-29-2007, 10:39 PM   #2
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Here's a calculator to help you figure it out: http://www.mrmalty.com/calc/calc.html

The short answer is you could underpitch (though you'd have to try pretty hard on a 1-gal batch), and it's really hard to overpitch.

EDIT: and yes, you can just put the leftover dry yeast pkg in a ziploc bag and store it in the fridge.


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Old 06-30-2007, 04:01 PM   #3
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thanks so much!
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Old 06-30-2007, 04:49 PM   #4
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It is hard to overpitch yeast but possible. Over pitching could cause the beer to have a yeasty taste (doh), result in inefficient fermentations, thin beer, beer with "yeast bite", explosions and occasionally hair to grow on your palms. Best to stick to recommended pitching rates.
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