Brewday: November 22, 2009 - Need to Mow Hefeweizen

Summary

Volume to fermenter[ltr (gal)]: 23.00 Original Gravity[SG]:1.060
Mash Efficiency [%]: 75.00% Bitterness[IBU]:10.00
Colour [SRM(EBC)]:3.59(7.07)

Mash

Mash water volume [ltr (gal)]:20.91 (5.53) Mash tun volume required[ltr (gal)]:29.96 (7.91)
Total Mash Grain Weight [gms (lbs)]:6971.51 (15.37)

Grains:

Type Weight [gms (lbs)] Actual Weight
Pilsner Pale Malt (Barrett Burston) 3485.75 (7.68)                     
Wheat Malt (Barrett Burston) 3485.76 (7.68)                     
   
   

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]:1.062

Test ph

Observed ph:
pH adjustments:


Sparge

Minimum required efficiency:75.00 % Max expected efficiency81.80 %

Sparge No Water addition [l]Expected recovered volume [l]Required gravityMax expected gravity
1 4.37 14.50 72.67 83.97
     
2 14.50 14.50 31.00 35.82
     
Combined 18.87 29.00 51.84 59.90
     

Assumed constants:

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

Preboil Values:

Preboil wort volume [ltr (gal)]:29.00 (7.66) @ mash out temp.29.69 (7.84)
Preboil gravity [SG]:1.052

Boil

Hops:

Hop Utilisation Method: Tinseth
Type AA(%) IBU Weight [gms (oz)] Actual Weight Time(minutes)
Super Pride 14.25% 10.00 8.86 (0.31)             60.00


Postboil Values:

Evaporation [ltr (gal)]:4.00 (1.06)
Postboil wort volume [ltr (gal)]:26.72 (7.06)@ boiling temp.27.84 (7.35)
Postboil target gravity [SG]:1.060mash items only1.060
Boiler loses [ltr (gal)]:2.00 (0.53)

Yeast Pitching

Type Min Temp[C (F)] Max Temp[C (F)]
Bavarian Wheat - Wyeast 3638 18.00 (64.40) 24.00 (75.20)

Estimated required yeast cells (billion): 257.00

Dried yeast (gm): 13.67
 
No of liquid yeast(Wyeast/Whitelabs) packs: 2.73(Assumes 94% viability)
 
Approximate amount of solid slurry (ml):
One hour settling 364.54(Assumes 25% trub and 94% viability)
One day settling 182.27(Assumes 25% trub and 94% viability)
Longer than 1 week settling 95.18(Assumes 25% trub and 80% viability)

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