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Old 10-30-2008, 03:59 PM   #1
pkpdogg
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Default Obnoxiously high OG reading. What could have caused it?

I was brewing a Stout kit from MoreBeer! last night and took an OG reading of 1.102 at 25-deg C (roughly 77-deg F). With a temp adjustment, it would be 1.104. The recipe suggests an OG of 1.057. Now I have read quite a bit on HBT on OG readings that are off by .010's, .020's and felt that I understood the reasons pretty well. Do you all know what the heck would cause a reading THIS far off? BTW, I did double-check the hydrometer to make sure it read 1.000 in plain water.


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Old 10-30-2008, 04:03 PM   #2
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im not sure if this is AG or extract but if extract you might not have gotten all of your wort and your additional water stirred up well. im not sure man that's a long way off though


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Old 10-30-2008, 04:04 PM   #3
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If it was an extract recipe, did you thoroughly mix the top-off water? You could be measuring a real thick, concentrated portion of the wort if it wasn't mixed totally. I made the same mistake on my first brew.
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Old 10-30-2008, 07:14 PM   #4
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Oh goodness, I'm just realizing what an idiot I am ... I took it from the brewpot after it cooled. Duh!!! Ugh, such are the pains of being a noob. =P

Thanks for the help!
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Old 10-30-2008, 08:43 PM   #5
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[x gals @ 1.104 (partial boil) + y gals at 0.0 (top off water)]/total gals = The real OG.

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Old 10-31-2008, 08:02 AM   #6
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Ahhhh yes. Thanks B! What a waste of my engineering degree, eh? Nothing like a little impatience to shut my brain down. Adjusted reading is 1.062 (used 1.000 for top off water), right where it should be, and that sucker started bubbling up tonight. I will sleep well.


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