How dark of a room for primary? - Home Brew Forums

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Old 11-04-2009, 05:02 PM   #1
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triangulum33's Avatar
Oct 2009
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How dark does the room need to be for the primary?
We've got a nice big laundry sink to contain possible carboy blow outs, but the room has a window w/blinds that lets a small amount of sunlight in during morning hours.
I'd like to leave the carboy in the sink for the first few days, then move into dark closet when the fermentation slows.

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Old 11-04-2009, 05:11 PM   #2
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Oct 2008
the sun
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The room can have all the light you want, it is just a good idea to shield the carboy from natural light. That can be done by wrapping it with a towel, or putting a old t-shirt over it etc....

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Old 11-04-2009, 05:11 PM   #3
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Jun 2008
San Antonio, Texas
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just drap a towel over the carboy
None :(

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Old 11-04-2009, 05:17 PM   #4
Mar 2009
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put the carboy in its original box and close the lid. run the blowoff tube out the box and into the sink.

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Old 11-04-2009, 05:24 PM   #5
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I use T shirts and either safety pin the slack around the neck, or just fold it all in.
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Old 11-04-2009, 06:31 PM   #6
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Feb 2008
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Surely you have a Black Concert T to throw over that thing!
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