Brewday: April 25, 2010 - Jamils Dunkel

Summary

Volume to fermenter[ltr (gal)]: 23.00 Original Gravity[SG]:1.057
Mash Efficiency [%]: 75.00% Bitterness[IBU]:13.79
Colour [SRM(EBC)]:17.07(33.62)

Mash

Mash water volume [ltr (gal)]:19.41 (5.13) Mash tun volume required[ltr (gal)]:28.46 (7.52)
Total Mash Grain Weight [gms (lbs)]:6469.94 (14.26)

Grains:

Type Weight [gms (lbs)] Actual Weight
Carafa Special Type 2 (Weyermann) 63.73 (0.14)                     
Crystal Malt Pale (Bairds) 190.06 (0.42)                     
Munich II Malt (Weyermann) 1520.50 (3.35)                     
Pilsner Malt (Weyermann) 1006.21 (2.22)                     
Special B Malt 190.06 (0.42)                     
Wheat Malt Pale (Weyermann) 3499.38 (7.71)                     
   
   

Mash Schedule:

Name Method Step temp
[C (F)]
Step time
[minutes]
Addition amount
[ltr (gal)]
Addition temp
[C (F)]
Liquor/grist ratio
[ltr/kg]
Saccrification Direct 67.00 (152.60) 60 0.00 (0.00) 0.00 (32.00) 3.20

Mash gravity @ 100% conversion [SG]:1.057

Test ph

Observed ph:
pH adjustments:


Sparge

Minimum required efficiency:75.00 % Max expected efficiency82.39 %

Sparge No Water addition [l]Expected recovered volume [l]Required gravityMax expected gravity
1 4.72 14.00 69.21 80.68
     
2 14.00 14.00 29.05 33.86
     
Combined 18.72 28.00 49.13 57.27
     

Assumed constants:

Absorbtion [l/kg]:1.3 Grain displacement [l/kg]:0.67

Preboil Values:

Preboil wort volume [ltr (gal)]:28.00 (7.40) @ mash out temp.28.67 (7.57)
Preboil gravity [SG]:1.049

Boil

Hops:

Hop Utilisation Method: Rager
Type AA(%) IBU Weight [gms (oz)] Actual Weight Time(minutes)
Hallertau Tradition German 3.80% 13.79 31.30 (1.10)             60.00


Postboil Values:

Evaporation [ltr (gal)]:4.00 (1.06)
Postboil wort volume [ltr (gal)]:25.71 (6.79)@ boiling temp.26.79 (7.08)
Postboil target gravity [SG]:1.057mash items only1.057
Boiler loses [ltr (gal)]:1.00 (0.26)

Yeast Pitching

Type Min Temp[C (F)] Max Temp[C (F)]
Weihenstephan Weizen - Wyeast 3068 18.00 (64.40) 24.00 (75.20)

Estimated required yeast cells (billion): 244.83

Dried yeast (gm): 13.02
 
No of liquid yeast(Wyeast/Whitelabs) packs: 2.60(Assumes 94% viability)
 
Approximate amount of solid slurry (ml):
One hour settling 347.28(Assumes 25% trub and 94% viability)
One day settling 173.64(Assumes 25% trub and 94% viability)
Longer than 1 week settling 90.68(Assumes 25% trub and 80% viability)

www.brewtoolz.com - Brewtoolz - Brewing tool calculator