Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > IPA with orginal 9.7 SRM turned black/red.
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Old 02-21-2013, 10:40 PM   #1
Tipharet
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Default IPA with orginal 9.7 SRM turned black/red.

I have never had this happen before. Attached is a pic. What do you guys think?


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Old 02-21-2013, 10:43 PM   #2
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Darker in the carboy than in the glass...


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Old 02-21-2013, 10:44 PM   #3
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Quote:
Originally Posted by PseudoChef View Post
Darker in the carboy than in the glass...
Yep. It looks pretty clear, so it looks dark in the carboy.

Try taking out a sample, and putting it in a glass and holding it up to the light to see the actual color.
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Old 02-21-2013, 10:44 PM   #4
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The color turns like that when you have it in the carboy. When you pour a glass it will be fine. I have an ipa that looks dark brown right now in the carboy and its only about 9 srm.
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Old 02-21-2013, 10:47 PM   #5
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Thing is, I'd typically agree with you guys but the was a nice gold tan only about a week ago. Here it was.
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Old 02-21-2013, 10:51 PM   #6
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Like my post above says. That's in a much narrower tube than the carboy pic above.
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Old 02-21-2013, 10:54 PM   #7
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The increased volume in the carboy allows a lot less light to get through, hence looking darker, especially when the yeast drop out. My Kolsch I just bottled looked deep amber/copper colored in the carboy, but in reality is only about 4 SRM.

You're fine.
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Old 02-21-2013, 11:58 PM   #8
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That's pretty much what every beer I've ever made, including most pales, looks like in the carboy.
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Old 02-22-2013, 12:10 AM   #9
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Beer's law is extremely relevant here. And yes, the name is a coincidence, but very fitting.

http://teaching.shu.ac.uk/hwb/chemis...pec/beers1.htm

You are experiencing a real life application of path length!
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Old 02-22-2013, 12:53 AM   #10
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I think the color change in the carboy is from the yeast dropping out. Lots of my pale ales are tan in the carboy while fermenting then the carboy gets dark after the yeasts flocculate. The yeast cells are white and they lighten the color even with the large volume in a carboy.

PS. as mentioned above a hydrometer sample will appear much lighter. Even light beers look brown in the carboy.


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