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Home Brew Forums > Home Brewing Beer > General Techniques > is OG reading valid if i just pitched yeast??
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Old 04-30-2009, 04:06 PM   #1
Brewkowski
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Default is OG reading valid if i just pitched yeast??

I was rushing when i pitched my starter and as soon as I did I realized I forgot to take a OG reading. So immediately grabbed the thief and took the reading, but how accurate is it with a yeast starter in it? Does that affect gravity or is it only that once you pitch yeast your gravity begins to decline that it makes for a bad reading?

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Old 04-30-2009, 04:35 PM   #2
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It makes no difference if you did it right after you pitched.

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Old 04-30-2009, 04:37 PM   #3
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Provided you didn't a) make a HUGE starter and b) pitch the WHOLE thing, your gravity shouldn't differ pre to post pitch.

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Old 04-30-2009, 04:39 PM   #4
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Actually, it should be more accurate, final ABV wise. Not as accurate with respect to efficiency and boil-off determination though.

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Old 04-30-2009, 06:08 PM   #5
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I did pitch the entire starter, and it was about 1.5 liters. It's a high gravity brew and the OG was 1.090.

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Old 04-30-2009, 08:45 PM   #6
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It shouldn't be a problem, I have done this on many occasions.

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