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Old 11-27-2011, 05:15 PM   #1
bmick
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Apr 2011
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I'm brewing a tripel right now and about 10% of the grain bill is sugar. I thought I had really whiffed on my pre-boil gravity, but now I'm noticing that if I remove the sugars from my boil additions in BS, the calculated pre-boil gravity goes down. This is incorrect, no? My pre-boil gravity shouldn't change if I'm futzing with boil addition sugars, so is this just a program flaw? I'd sure like that, since it would mean I'm, on target with my pre-boil gravity. Thoughts?

 
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Old 11-27-2011, 06:42 PM   #2
Kaz
 
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The pre-boil gravity should be comprised of sugars yielded from the mash. It must be a bug that adding sugars during the boil is changing the pre-boil gravity. I think you're correct.
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Old 11-28-2011, 04:34 AM   #3
bmick
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Apr 2011
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Hit my SG dead on, looks like this is a glitch in BS 2.0, including the boil sugars into the pre-boil gravity, despite the fact that they're obviously not pre-boil. Something to keep in mind when using it if you measure the gravity pre-boil to make sure you're on track. I almost added a pound of DME, which would have led to a wayyyyy too strong tripel.

 
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Old 11-29-2011, 06:32 PM   #4
MDVDuber
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Did you report it to the vendor?

 
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Old 11-29-2011, 06:52 PM   #5
Sithdad
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Jul 2009
Macungie, PA
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I noticed the exact same thing. I brewed a PM on Nov. 5th and my pre-boil SG was way under what BS had said it should be. Apparently it was adding my DME and LME additions into the mash calculations. I for a few minutes I thought I had really screwed something up.

 
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Old 11-30-2011, 03:54 AM   #6
umrmepe
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Feb 2010
Mt. Vernon, MO
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I just experienced the same issue with BS 2.0, it does appear to calculate any DME or sugar addition in the Pre-Boil gravity. I added some DME to adjust my gravity at pre-boild and ended up with a SG about 8 points higher.

 
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Old 12-08-2011, 07:02 PM   #7
BoundForBeer
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Nov 2010
Philadelphia, PA
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same thing happened to me...boy was I hot when i was .010 under pre boil! luckly I figured that out before I "fixed" with DME

 
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