Substituting partial-mash to extract - Home Brew Forums
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Old 11-05-2008, 01:19 AM   #1
ThirstyHobbit
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If I wanted to substitute part of an extract recipie and do a partial mash for a fraction of the extract, how would I best calculate this? Is it a pound for pound conversion?
I JUST finished my first partial mash (IPA) and want to incorporate the partial mash into an extract recipie.
Thanks!

 
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Old 11-05-2008, 01:21 AM   #2
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No, it's more like 1 pound of grain to .6 pounds of DME or .75 pounds LME. If you have some brewing software it can help. Or one of us would be glad to help you convert it.
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Old 11-05-2008, 01:55 AM   #3
ThirstyHobbit
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great- I'll get the recipie and submit in the next few days!

 
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Old 11-05-2008, 03:28 AM   #4
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I posted this in the Extract forum but it works here also.

As one person pointed out Software will do this. But I feel knowing HOW and WHY is better then just blindly plugging in numbers.

http://home.elp.rr.com/brewbeer/extract/pres.pdf
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Old 11-07-2008, 02:51 AM   #5
ThirstyHobbit
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This recipie calls for 7 lbs of light malt ex. Can I do 6 lbs extract and 1 1/2 lbs partial mash of a pale malt or something similar to this?
Thanks-

 
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Old 11-07-2008, 03:28 AM   #6
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Quote:
Originally Posted by ThirstyHobbit View Post
This recipie calls for 7 lbs of light malt ex. Can I do 6 lbs extract and 1 1/2 lbs partial mash of a pale malt or something similar to this?
Thanks-
That would work. You might as well add a half a pound of flaked wheat or carapils while you are at it to improve the body and head retention.
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Old 11-07-2008, 12:57 PM   #7
carl spakler
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I do PM for the majority of my brews now, I typically mash ~3 lbs base malt, .5-3 lbs of specialty grains and then augment with ~3lbs LME/DME to hit the gravity. If I am going through the extra work of PM I want to reduce the cost of the batch, cutting extract is the best way I know.

 
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Old 11-07-2008, 03:49 PM   #8
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Just make sure your extract to grains are about a 50/50 mix.

Another thing I do is use LME for 3.3lbs or whatever container size I have and then use DME for the rest. Save money with LME but try to use DME as much as you can for various reasons (color, taste, anti twang).
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Old 11-07-2008, 04:48 PM   #9
carl spakler
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Quote:
Originally Posted by Grinder12000 View Post
Just make sure your extract to grains are about a 50/50 mix.
Why?


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