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Old 01-11-2010, 05:59 PM   #1
knelson
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Jan 2010
Hudson, WI
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I am wondering how much light is acceptable to subject my beer to in the primary fermenter.

After I put the wort in the primary, aerated and pitched my yeast, I turned the box that the carboy came in upside down and but a hole for the airstopper to stick out of. Is it ok to take the box off to take a peak every once in awhile? Will this hurt the yeast at all. I try to do it with as little light as possible.

How careful do I need to be when exposing the primary fermenter to light?

Thanks a lot!!!

 
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Old 01-11-2010, 06:02 PM   #2
BarleyWater
 
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Just a peak now and then isn't gonna hurt anything, especially if it's not sunlight. The UV waves from the sun (and to a lesser extent florescent bulbs) are what does the skunking. There are other factors keeping this from happening in the fermenter also, like the density and turbidity of the liquid, so you really don't have to worry that much. Just keep it out of direct light as much as you can and you will be fine.
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Old 01-11-2010, 06:04 PM   #3
TipsyDragon
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your brew is not like a roll of film. you can open the box and take a look. just keep it out of direct sunlight and UV lights.

 
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Old 01-11-2010, 06:05 PM   #4
knelson
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Jan 2010
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Thanks guys, thats what I was thinking! Just an overly anxious/nervous noob here...haha

 
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Old 01-11-2010, 06:06 PM   #5
Hang Glider
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Quote:
Originally Posted by TipsyDragon View Post
your brew is not like a roll of film.

what's "film" ?

 
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Old 01-11-2010, 10:38 PM   #6
TipsyDragon
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Quote:
Originally Posted by Hang Glider View Post
what's "film" ?
you know. that stuff us old timers used to put in cameras to take pictures. before you young whiper snapers made it all digital.

 
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Old 01-11-2010, 11:12 PM   #7
rcreveli
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I still have 2 rolls of K64 Kodachrome in my freezer. had better use it soon. Only 1 place in the US still processes it.

 
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Old 01-11-2010, 11:19 PM   #8
IceFisherChris
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Mar 2009
Menomonie, WI
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I "accidently" left my clear carboy exposed in my kitchen for over a week. No direct sunlight but still loves of UV rays. I did not notice any funky flavors.

 
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Old 01-11-2010, 11:21 PM   #9
WillPall
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Quote:
Originally Posted by rcreveli View Post
I still have 2 rolls of K64 Kodachrome in my freezer. had better use it soon. Only 1 place in the US still processes it.
Wow, I just looked up some old Kodachrome photos and the color depth and quality is amazing. They don't make 'em like they used to... or whatever you old fellas say.

Now to say something on topic, I wrap a shirt around mine and set it in a closet. Light definitely gets in, never had any problems with skunking.
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Old 01-12-2010, 12:39 AM   #10
TipsyDragon
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Quote:
Originally Posted by IceFisherChris View Post
I "accidently" left my clear carboy exposed in my kitchen for over a week. No direct sunlight but still loves of UV rays. I did not notice any funky flavors.
everything i've read says its direct UV exposure that kills a brew. apparently indirect exposure is ok.

 
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