12th Brew - Belgian Dark Strong

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Brew: Belgian Dark Strong
Date: 2/23/2008
Weather: Mostly Cloudy, 30° - 40°
Recipe:

PDF BTP

Pictures: Click here to see the pictures
Notes:
  • 2.5 Liter starter with 3 x White Labs Trapist Ale Yeast, with magnetic stirrer
  • Cirulation went VERY well but on mash out bed expanded
  • Dropped thermowell into fermentor and left there  

Statistics

Original Gravity: 1.094 sg
Efficiency: 86%
Final Gravity: 1.016 sg 
Attenuation: 82.98%
Alcohol By Volume: 10.35%

Detailed Brewing Summary

Time Description
07:52 am Began filling and heating HLT. Water at 40°
08:00 am HLT full
08:36 am HLT heated to 159°.
  PH at 7.91, added 3 tablespoons of buffer 5.2
08:45 am Dough-in of 11.1 gallons and 29 lbs of grain. Thickness 1.5 qts/lb.
  Temperature of mash after was 148°
08:50 am Dough-in complete. Refilling and heating HLT.
08:52 am HLT full
09:15 am HERMs begins. Mash at 142°
09:30 am Mash ph = 5.3. Added on dropper of lactic acid. dropped to 5.24
09:45 am Mash started
11:15 am Mash complete. Mash out started
11:45 am Mash out complete. Sparge and collection started
12.35 pm Sparge complete.
  Runnings at 1.018, but after a qt more, it was below 1.010.
  Pre-boil gravity 1.068 with 13.5-14 gallons
  Started heating boil
01:05 pm Boil started

Fermentation Schedule

Date Time Description
2/23/2008 03:00 pm Fermentor placed in storage. Wort at 64° 
  06:00 pm Temperature stabalized at 68° with ETC 
2/24/2008 08:00 pm Realized inside of air lock was missing. Which explains lack of activity. 
    Added missing piece. Bubbling 1-2 / second 
3/08/2008 10:00 am Bubbling once every 30-60 seconds 
  12:00 pm Dumped trube. Only a few cups of trube. 
  12:45 pm Hydrometer: 1.015-1.016 
3/15/2008 09:00 am Dumped trube 
3/16/2008 02:00 pm Final gravity 1.016 

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