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Old 04-26-2010, 03:07 AM   #1
May 2009
Posts: 197
Liked 9 Times on 6 Posts

ok, simple recipe:
5 Lb sorghum syrup
3 lb flaked corn
1 oz hops (Saaz)

been about 3 weeks in the primary and it's completely opaque. Any ideas what it's coming from and if it will clear?

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Old 04-26-2010, 04:05 AM   #2
Lcasanova's Avatar
Jul 2009
Park Ridge, IL
Posts: 980
Liked 13 Times on 11 Posts

How'd you use the flaked corn? I've never used that in my brews but maybe that's it...Either way, my cloudiest beer still cleared after time in the crystal clear.
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Old 04-26-2010, 04:13 AM   #3
Nov 2009
Shilo, Manitoba, Canada
Posts: 105
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No enzymes in the corn to convert starch to sugar could be your problem. Probably some protein and lipids floating around in your finished beer along with a pile of unfermentable starch. Maybe consider corn maltodextrin for body or dextrose for additional fermentables instead. On a less serious note, you could chew and spit some corn and use saliva enzymes a la chicha. Chicha is notoriously cloudy too though, so that probably wouldn't help.

(no I'm not stalking you dantose, just hanging around the "New Posts" link a little too much)

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Old 04-26-2010, 02:08 PM   #4
david_42's Avatar
Oct 2005
Oak Grove, Oregon, USA
Posts: 25,597
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Lots of starch from the corn. Some alpha amylase will help. It works at fermentation temperatures, just takes a few days.
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Old 04-26-2010, 04:30 PM   #5
Mar 2010
La Crosse, Wisconsin
Posts: 577
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I've seen recipes for 'wit' type beers that say to steep flaked corn. And I'm guessing that the purpose there is to make a cloudy beer. And 3 lbs is a LOT of flaked corn to steep...

And looking at the rest of your recipe, it sounds like a wit, though 3 lbs of corn is probably going to make it cloudier than a normal wit.

So, if you want to get this stuff to clear up some before you bottle it, I see a couple options:
1) Gelatin. I'm not sure if gelatin is the right clearing agent for starch, maybe someone will pitch in here (pun intended) with a confirmation or better clearing agent
2) cold crashing (this probably won't have a significant effect, unless combined with a clearing agent)
3) both of the above.

Adding amylase might help, though I don't know what effects it might have being added to a fermenter. If done pre-boil, it would have broken down the starch into sugar, and then been denatured by the boil. Added to the fermenter, it would probably break down the starches and keep working until it runs out of stuff to work on, or until you drink it, and I'm not sure if you want that or not. Again, someone else might have a better idea on this...
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