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I have Pre-Boil OG, Post boil OG and post boil volume...

Discussion in 'Homebrewing' started by Rau71, Dec 23, 2012.

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  1. Rau71

    Rau71 Dec 12, 2011 California
    Beer Trader

    Is there anyway to calculate the pre boil volume? I am not sure if I have a super mean boil or if my measuring stick was way off today. My Pre-boil gravity was 1.051 my post was 1.068 and I only got about 4.75 Gallons into my fermenter. Hoping to see what I did wrong on this one.
     
  2. steve8robin

    steve8robin Nov 7, 2009 Massachusetts
    Beer Trader

  3. FeDUBBELFIST

    FeDUBBELFIST Oct 31, 2009 Pennsylvania

  4. VikeMan

    VikeMan Jul 12, 2009 Pennsylvania
    Beer Trader

    68 x 4.75 = 51 x PreBoilVolume
    323 = 51 x PreBoilVolume
    323/51 = PreBoilVolume
    PreBoilVolume = 6.33
     
    Rau71 likes this.
  5. FeDUBBELFIST

    FeDUBBELFIST Oct 31, 2009 Pennsylvania

    Where does the 323 come from?
     
  6. VikeMan

    VikeMan Jul 12, 2009 Pennsylvania
    Beer Trader

    68 x 4.75 = 323
     
  7. FeDUBBELFIST

    FeDUBBELFIST Oct 31, 2009 Pennsylvania

    Much clearer that time...(facepalm)
     
  8. Rau71

    Rau71 Dec 12, 2011 California
    Beer Trader

    Thank you! Looks like I need a new measuring stick as I was supposed to have 7.75 Pre-Boil gallons. I was wondering why I finished so high.
     
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