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Old 04-09-2013, 10:09 PM   #1
borto1990
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Sep 2011
grand rapids, mi
Posts: 44
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I just got done building a 2 tier 40 gallon kettle system. my buddy and I have been sharing his blichman boilermaker to this date. I'm trying to transfer some of our recipes to be used with my gear. I'm going to brew eschatz 2 hearted clone this weekend. we set the profile up at his house using the boilermaker.. I put it into my system and switch to my set up and the IBU's go from 57 to 64.9. we can't figure out where the difference is coming from. as all I did was change from his blichman to my kettles. can someone help me locate the difference?

 
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Old 04-09-2013, 10:14 PM   #2
kapbrew13
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Mar 2011
somerset, NJ
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Did the water volumes change? Boil off rate?

 
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Old 04-09-2013, 11:11 PM   #3
jjefrey
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Mar 2013
San Francisco Bay Area, California
Posts: 189
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You need to scale the recipe to your equipment.

There is a video on the beersmith site regarding this.

http://beersmith.com/scaling-a-beer-...n-beersmith-2/

 
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Old 04-10-2013, 02:34 PM   #4
borto1990
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Sep 2011
grand rapids, mi
Posts: 44
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Because my pot is so much bigger the boil.off rate is higher on my pot by 1.5 gallons. Which was in the recipe correctly.

 
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Old 04-10-2013, 07:50 PM   #5
sherma
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Feb 2013
Portland, Oregon
Posts: 180
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In the equipment profile, it is the Boil Volume and Loss to Trub and Chiller amounts that affect the IBUs. If you increase either of those, the IBUs go up.
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Old 04-10-2013, 11:15 PM   #6
borto1990
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Sep 2011
grand rapids, mi
Posts: 44
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ok.. so comparing every screen side by side.. basically my pre boil volume is higher because my boil off is greater.. so I am suppose to alter the recipe to get the IBU's in line? I run pre boil volumes about 2 gallons higher than his system.. so that's higher and sparge water amounts are higher.. so I need to use less hops?

 
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Old 04-11-2013, 12:41 AM   #7
jjefrey
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Mar 2013
San Francisco Bay Area, California
Posts: 189
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Quote:
Originally Posted by borto1990 View Post
ok.. so comparing every screen side by side.. basically my pre boil volume is higher because my boil off is greater.. so I am suppose to alter the recipe to get the IBU's in line? I run pre boil volumes about 2 gallons higher than his system.. so that's higher and sparge water amounts are higher.. so I need to use less hops?
Yes.

If you use the scale function it will calculate the quantities for you.

 
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