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Old 09-30-2010, 11:11 PM   #1
DuffmanSaysOhYeah
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Default Volume vs OG

Hello all I just brewed my second batch today (BB American Pale Ale) and I noticed something and I was wondering whether it was something I am doing, maybe you can help. On both batched when I took the initial OG reading in the primary bucket (before the yeast was added, and ~70 degrees) I reach my desired OG range (specified by the kit) before I am near five gallons. My first batch wasnt so bad I got the correct OG around 4 1/2 gallons. However, this batch I got to the desired OG at only just above 4 gallons.

now, I know I'd rather have the correct OG than the correct volume; but I am sure almost a gallon (thats like 2342349234 beers). like i said i was careful with my temperature (both of the wort and the air), and as far as I could tell the brewing went smooth (again, a BB kit).

Any ideas/suggestions/'don't worry about it's'?? Like I said I'd rather less of a stronger beer then more weak ones. Just curious. Thanks.

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Old 09-30-2010, 11:40 PM   #2
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I'm assuming its an extract kit. Sounds like the kit isn't giving you enough extract to hit 5 gallons. Also check to make sure you hydrometer is reading accurately.

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Old 09-30-2010, 11:42 PM   #3
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If you added top-off water to the wort, you MAY be measuring more water than wort. You need to mix the wort and top-off water really, really well before measuring. Someone mentioned in an earlier thread that if your kit was all extract, you probably hit the OG.

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Old 10-01-2010, 01:11 AM   #4
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How are you measuring your volume? If you are using the lines on a Pale Ale bucket or similar have you checked it for accuracy? They are notoriously inaccurate.

You have to mix VERY thoroughly to get an accurate measurement.

Good Luck.

Ed

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Old 10-01-2010, 09:26 PM   #5
DuffmanSaysOhYeah
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hey guys and thanks for the ideas. i am/and will continue to be very cognizant of the different temperatures/viscosity influences when i am pitching my brew (i was one of those nerdy science majors so fluid dynamics is finally paying off!). i am basically measuring my volume by the amount of bottles i pour (i buy 5 one gallon DI water jugs at the market the day when i brew). just curious and wondering if i was over looking something. ill keep you informed if they mystery continues and i will take your advice.

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