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Old 08-17-2013, 11:46 PM   #1
vbwolpert
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Sep 2012
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I did my first double decoction today it took about 6 hours from mash in to carboy. But after sparging the grains there was this funny looking gray goo on top the grains. Never seen that before even with other all grain batches. Any insight would be great thank you.


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Old 08-17-2013, 11:58 PM   #2
everty2007
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Jan 2012
Sheboygan, WI
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I did a single for a hefe this week with similar looking results after sparging. I was figuring it was protein or something like that.

 
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Old 08-18-2013, 12:42 AM   #3
BigEd
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Nov 2004
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It's normal. Those are "protein" compound residues.

 
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