Brewday: February 21, 2010 - Hefeweizen Dunkel

Summary

Volume to fermenter[ltr (gal)]: 23.00 Original Gravity[SG]:1.056
Mash Efficiency [%]: 75.00% Bitterness[IBU]:11.03
Colour [SRM(EBC)]:20.28(39.95)

Mash

Mash water volume [ltr (gal)]:19.65 (5.19) Mash tun volume required[ltr (gal)]:30.02 (7.93)
Total Mash Grain Weight [gms (lbs)]:6549.99 (14.44)

Grains:

Type Weight [gms (lbs)] Actual Weight
Barley Roasted Malt (Bairds) 100.00 (0.22)                     
Choc Chit Malt (Joe White) 100.00 (0.22)                     
Crystal Malt Dark (Bairds) 150.00 (0.33)                     
Munich I Malt (Weyermann) 1400.00 (3.09)                     
Pilsner Malt (Weyermann) 1300.00 (2.87)                     
Wheat Malt (Barrett Burston) 3500.00 (7.72)                     
   
   

Mash Schedule:

Name Method Step temp
[C (F)]
Step time
[minutes]
Addition amount
[ltr (gal)]
Addition temp
[C (F)]
Liquor/grist ratio
[ltr/kg]
Protien Rest Infusion 50.00 (122.00) 10 12.23 (3.23) 56.37 (133.47) 1.87
Sacchrification Infusion 67.00 (152.60) 80 7.42 (1.96) 95.00 (203.00) 3.00

Mash gravity @ 100% conversion [SG]:1.055

Test ph

Observed ph:
pH adjustments:


Sparge

Minimum required efficiency:75.00 % Max expected efficiency84.38 %

Sparge No Water addition [l]Expected recovered volume [l]Required gravityMax expected gravity
1 5.98 15.50 64.98 76.91
     
2 15.50 15.50 25.68 30.40
     
Combined 21.48 31.00 45.33 53.66
     

Assumed constants:

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

Preboil Values:

Preboil wort volume [ltr (gal)]:31.00 (8.19) @ mash out temp.31.74 (8.38)
Preboil gravity [SG]:1.045

Boil

Hops:

Hop Utilisation Method: Tinseth
Type AA(%) IBU Weight [gms (oz)] Actual Weight Time(minutes)
Hallertau Hersbrucker 2.50% 11.03 50.00 (1.76)             90.00


Postboil Values:

Evaporation [ltr (gal)]:6.00 (1.59)
Postboil wort volume [ltr (gal)]:26.61 (7.03)@ boiling temp.27.72 (7.32)
Postboil target gravity [SG]:1.056mash items only1.056
Boiler loses [ltr (gal)]:2.00 (0.53)

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): 240.90

Dried yeast (gm): 12.81
 
No of liquid yeast(Wyeast/Whitelabs) packs: 2.56(Assumes 94% viability)
 
Approximate amount of solid slurry (ml):
One hour settling 341.70(Assumes 25% trub and 94% viability)
One day settling 170.85(Assumes 25% trub and 94% viability)
Longer than 1 week settling 89.22(Assumes 25% trub and 80% viability)

www.brewtoolz.com - Brewtoolz - Brewing tool calculator