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Offline sixVsix  
#1 Posted : Friday, March 16, 2012 5:16:44 PM(UTC)
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Need some advice on my first corn mash. After reading several posts (here and other sites), I attempted to do my first corn mash. I cooked the corn for about 90 minutes at 180+ until it was gelatinized. I cooled it to 150 and put in some amylase enzyme and crushed beano. I kept it arount 140 - 150 for hours, periodically testing a few drops with iodine. every test for last 5 hours turn blue. The mash did liquify after putting in the enzymes, but after all this time, the liquid doesn't tast like a sweet wort. Any ideas what may have gone wrong or is it not possible to convert all the starch?
Offline sixVsix  
#2 Posted : Saturday, March 17, 2012 6:33:13 PM(UTC)
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"I dug out my ""Joy of Home Brewing"" book and reviewed the section on mashing. I believe I had either had my temperature too low or there is something I was not understanding about mashing corn. I decided to add in some malted barley (6 row) and malted wheat and do a stepped mash. I kept the mash around 150 - 152 and after 45 minutes, the iodine test went from purple to brownish purple. I then upped the temp to 158 for 30 minutes after a couple hours with no change in the iodine test.

After a couple hours of mashing i cooled it and put it in the carboy. for 5 lb corn, 2 lb 6 row, and 1 lb malted wheat, the final gravity was a whopping 1.030. seems to me that the only thing that converted to sugar was the 6 row and wheat."
Offline Shinejunky  
#3 Posted : Monday, March 19, 2012 12:49:03 PM(UTC)
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My recipe calls for 7 lbs corn and 3 lbs of malt to 6 gal of water. The mash process that I use is cook the corn in 3 gal water till done (about 2 hrs) add cool water till temp hit 150 f add my barley malt(ground) stir and place in a cooler overnight. Pich the yeast in after i add the remaining water.Only get 4% potential alcohol with this recipe. I am told that my well water might be to high in ph so next batch is going to get some lime juice or tomato paste maybe I can get the alcohol up. The hooch from this recipe is good smooth stuff worth the effort and the small amount of hearts
Offline Shinejunky  
#4 Posted : Tuesday, March 20, 2012 12:34:04 PM(UTC)
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No sugar on the first run. After I strain the grain from the wash( start the pot) I add 7 lbs of sugar( melted in hot water) back to the used grain then bring the water level back to the 6 gal mark and pitch yeast . I usually do all this while the still is heating slowly with the first wash. The second run is a lot hotter hooch than the first. However the first has the best taste. All I've ever ran is a pot still so I am after the flavor. I'm sure there are better ways to get the all grain taste but this is what works for me. The cuts have to be right or you get the wet hound dog flavor. Or my least favorite the fingernail polish smell.
Offline sixVsix  
#5 Posted : Tuesday, March 20, 2012 5:18:25 PM(UTC)
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It seemed to me that the starch in the corn didn't convert completely with just amylase. When I remashed it with 6 row, it seemed to help, but not by much. Is corn more for flavor than fermentable sugars ( I have about 45lbs left over now!)? i have read that some people let it settle and siphon off the liquid on top of the sediment; perhaps that is the stuff I need for the fermenter.
Offline heeler  
#6 Posted : Wednesday, March 21, 2012 2:01:41 AM(UTC)
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"Sixvsix...I'm pretty sure that book you mentioned is a beer book and with that in mind -- when you make a beer wash your gonna drink it just that way so a 4 or 5% wash is fine for a beer.
Now with a likker wash thats gonna be distilled you really should add sugar to your wash. Most use at a minimum 5 pounds. In all my washes I use 10 lbs. If you go through as many likker washes as you can find you'll see that most if not all call for the addition of sugar, or mollasses anyway.
Just food for thought."
Offline Shinejunky  
#7 Posted : Wednesday, March 21, 2012 11:40:09 AM(UTC)
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The sugar is a lot easier but I was taught the sugar is for the 2nd part of a run. Sometimes I will put a quart of honey in the first run that always helps with the alcohol content and the flavor. Tupelo makes the best hooch but it's way too expensive now. I am going to try the almost rotten peach addition this year. Guess we will see what corn and peaches taste like.
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