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04-04-2008, 04:31 PM
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#1
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Member
Join Date: Mar 2008
Location: Maricopa, AZ
Posts: 45
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When to take a hydrometer reading
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I brewed my first batch on Sunday. It is now Friday and the activity in the airlock has slowed to a bubble every 45 seconds.
When do most people take their hydrometer readings. What helps you determine when it is time to take a reading?
Thanks! 
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04-04-2008, 04:37 PM
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#2
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Senior Member
Join Date: Feb 2007
Location: Coosaw Island
Posts: 856
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Go ahead and take a reading. Its probably ready for secondary now. Continue taking readings every other day or so until you get three consecutive readings that are the same, then bottle.
__________________
HTTR
Quote:
Originally Posted by YooperBrew
It took me both hands just to squeeze it
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04-04-2008, 04:57 PM
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#3
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Member
Join Date: Mar 2008
Location: London
Posts: 49
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out if interest, do you put the sample into a sanitzied container, then pour the beer back in the fermenter after taking the reading, or throw the beer away?
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04-04-2008, 04:58 PM
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#4
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Drink your beer!
Join Date: Jun 2006
Location: Upper Michigan
Posts: 41,532
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You don't throw it away!!!! You drink it. It should taste like flat beer.
__________________
Broken Leg Brewery
Giving beer a leg to stand on since 2006
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04-04-2008, 04:59 PM
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#5
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Member
Join Date: Feb 2008
Location: Saint Louis, MO
Posts: 69
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you drink the beer! Waste not want not.
Once you remove the beer you shouldn't put it back into the fermenter, Those few ounces aren't worth infecting the entire batch.
__________________
Marcus Hickory Brewhaus
Primary: ESB
Secondary:
Bottled: Bourbon Stout
Keg: Dubbel, Rye Ale
Up Next:
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04-04-2008, 05:10 PM
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#6
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Senior Member
Join Date: May 2007
Location: Cary, NC
Posts: 2,141
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I take a hydrometer sample after 7 days. Usually it is close enough (within 2-3 points) to my target FG that I don't see the need to take another sample. Then I leave the beer in primary for another 14 days or so before either bottling or racking to a secondary.
__________________
Primary/Secondary:
Kegged: #77 Newcastle Brown, #79 California Common, #80 Old Bushy Tail Special Bitter
Planned: American IPA, Dusseldorf Alt, American Amber
I use secondaries!
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04-04-2008, 05:17 PM
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#7
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Drink your beer!
Join Date: Jun 2006
Location: Upper Michigan
Posts: 41,532
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I very rarely take SG readings any more. I leave the beer in primary a couple of weeks, and then check the sg before I rack it to either the keg or to the clearing tank (secondary). I have had a beer in primary since last Wednesday, and every once in a while I hear a little "blurp" but otherwise I haven't paid much attention to it. I'll check the FG when I go to rack it, and if it where it should be, then I'll continue with the racking.
As you can see, there isn't any "right" answer, except to not rack it or bottle it until it's done. The best way to know if it's done is to take consequetive SG readings, and if it's not changing it's done. Since I wait so long before racking it, I don't really worry about taking it three days in a row.
__________________
Broken Leg Brewery
Giving beer a leg to stand on since 2006
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04-04-2008, 05:26 PM
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#8
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Senior Member
Join Date: May 2007
Location: Cary, NC
Posts: 2,141
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Thanks, Yooper, good answer.
I need to do a better job of rounding out my responses with some of the why, rather than just the what.

__________________
Primary/Secondary:
Kegged: #77 Newcastle Brown, #79 California Common, #80 Old Bushy Tail Special Bitter
Planned: American IPA, Dusseldorf Alt, American Amber
I use secondaries!
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04-04-2008, 07:30 PM
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#9
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Cranky Old Guy
Join Date: Oct 2005
Location: Willamina & Oak Grove, Oregon, USA
Posts: 24,799
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Drink it and take notes. This is a valuable part of the learning process.
__________________
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
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04-04-2008, 10:16 PM
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#10
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Member
Join Date: Mar 2008
Location: Maricopa, AZ
Posts: 45
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Thanks for the responses! I am going to take a reading. Hopefully, the beer's FG will line up with the recipes and I can rack to the secondary.
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