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Old 01-25-2006, 06:32 PM   #1
voodoochild7
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Default Partial Mash Substitution

I want to take some recipes I have and sub out some of the extract for base malt in a partial mash. Is there a formula to determine how much grain I would need to use per pound of extract like if my recipe had 7 pounds of extract and I only wanted to use 3 pounds how much grain would I need to make up the difference.

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Old 01-25-2006, 09:23 PM   #2
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Multiply the amount of LME by 1.2, or the amount of DME by 1.5...those will get you close.

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Old 01-25-2006, 09:26 PM   #3
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You will be perilously close to the dark side, grasshoppah!

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Old 01-25-2006, 09:28 PM   #4
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Quote:
Originally Posted by BeeGee
You will be perilously close to the dark side, grasshoppah!
Why does everyone here say that? Shouldn't all-grain be referred to as the lighter side?
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Old 01-25-2006, 10:17 PM   #5
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The only reason I'm not on the dark side already is becuase my damn estimated quarterly taxes were due this month then my yearly and first quarter in april so i can't justify spending the money on the mashing equipment. I did buy a 10 gallon stainless steal nfs rated brew pot 75 bucks is that a good price?

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Old 01-25-2006, 10:43 PM   #6
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hmm for most of my brews I'm gonna need 4.5 pounds of grain. Glad I bought that giant strainer.

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Old 01-25-2006, 10:45 PM   #7
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Quote:
Originally Posted by El Pistolero
Why does everyone here say that? Shouldn't all-grain be referred to as the lighter side?
I agree. I think that it would be a better saying (the green light sabre)... Every week that I brew the closer I get to the "light side"
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Old 01-26-2006, 01:13 AM   #8
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Because when you do an all grain batch, it's dark by the time you're done!

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Old 01-26-2006, 02:12 AM   #9
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You got it Dude! Because it's dark outside!

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Old 01-26-2006, 01:22 PM   #10
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Quote:
Originally Posted by voodoochild7
Is there a formula to determine how much grain I would need to use per pound of extract like if my recipe had 7 pounds of extract and I only wanted to use 3 pounds how much grain would I need to make up the difference.
Try the Recipator (http://hbd.org/recipator/) to calculate your grains and extract. If you use a strainer or mesh over the pot to sparge the grains, you should assume about 40% mash efficiency (that's what I usually had). But the good thing is, you can measure the actual gravity of the sparge run-off, adjust to the actual efficency and adjust your DME/LME accordingly.

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