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Old 09-04-2010, 03:34 PM   #1
BryanJ
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Default First All-grain

Hello

This being my first all grain endeavor I'm coming to you guys for some help. I need to know the temperature of my strike water and to verify my strike water volume.

Grain Bill: (Total 6 lbs)
4lb - english otter pale malt
1.5 lb - Flaked oats
.5 lb - Roasted barley

So using the 2:1 ratio i would need 12 quarts of water for my initial strike volume. After I'm done with this step what should my sparge volume be to yield a 5 gallon batch after the 60 minute boil is complete? 4.5 gallons? I'm not sure how to calculate this number.

Thanks for all the help


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Old 09-04-2010, 03:40 PM   #2
Pilgarlic
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I use this: http://www.brew365.com/mash_sparge_water_calculator.php

Take a look at it and see if it helps. There are others. You may have questions.


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Old 09-04-2010, 03:47 PM   #3
BryanJ
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using that website i got:

Total volume of water 8.15 gal
mash volume 2 gal
sparge volume 6.15 gal
strike temp of 164

Does this sound correct?
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Old 09-04-2010, 03:54 PM   #4
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It does. You're on your way.
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Old 09-04-2010, 04:04 PM   #5
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One thing-- your beer will be very low alcohol. I typically get around 75% efficiency, and use a minimum of 8 pounds of base malt for 5 gallons to get around the 1.048 OG point. I'd estimate yours to come in around 3-3.5%.
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Old 09-04-2010, 04:35 PM   #6
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My goal was to use a cheap recipe so if i screw it up it won't matter that much to me. I want to get the feel for all grain procedure before making any big beers. Thanks pilgarlic.
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Old 09-04-2010, 09:50 PM   #7
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Using that strike temp put me way under the 154 degree mashing temp, it was around 140 degrees. I preheated the MLT for around 10 minutes with boiling water. What might cause this to happen?
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Old 09-04-2010, 10:09 PM   #8
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grain temp maybe?

you really have to stir the **** out of it
and move the thermometer around in the mash to
get a good temp.
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Old 09-13-2010, 01:25 AM   #9
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So my second attempt doing all grain i thought went much better but my OG was 1.041 and was suppose to be at 1.054. It looked like I hit the right mash temp of a little above 150 but im starting to think I may need a new thermometer.

The grain bill was 10.75 lbs and I added 3.6 gal at 165 to get to the mash temp to 152. I added the grain slowly to the water while stirring to reduce clumping. After 5-10 minutes of stirring i started the 60 minute countdown. After that I slowly lautered the beer around 1/4 open with the valve. Then I added sparge water at 180 to get the temp around 170 maybe a little lower and stirred that for a few minutes. After 10 minutes of that, I lautered again at 1/4 open of the valve. Then i boiled.

Any suggestions to hit the right OG? Is my brewing somewhat correct?


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