Brewday: April 26, 2010 - bonsai4tim - Belgian Strong Dark

Summary

Volume to fermenter[ltr (gal)]: 23.00 Original Gravity[SG]:1.101
Mash Efficiency [%]: 70.00% Bitterness[IBU]:17.47
Colour [SRM(EBC)]:48.52(95.59)

Mash

Mash water volume [ltr (gal)]:29.26 (7.73) Mash tun volume required[ltr (gal)]:35.79 (9.45)
Total Mash Grain Weight [gms (lbs)]:9751.72 (21.50)

Grains:

Type Weight [gms (lbs)] Actual Weight
Caramunich Malt 406.32 (0.90)                     
Melanoidian Malt (Weyermann) 541.76 (1.19)                     
Munich Malt 1354.40 (2.99)                     
Pilsner Malt (Weyermann) 7042.91 (15.53)                     
Special B Malt 406.32 (0.90)                     
   
   

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]:1.119

Test ph

Observed ph:
pH adjustments:


Sparge

Minimum required efficiency:70.00 % Max expected efficiency75.17 %

Sparge No Water addition [l]Expected recovered volume [l]Required gravityMax expected gravity
1 0.00 14.85 87.29 99.30
     
2 14.15 14.15 44.03 50.10
     
Combined 14.15 29.00 66.19 75.30
     

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]:1.066

Boil

Hops:

Hop Utilisation Method: Tinseth
Type AA(%) IBU Weight [gms (oz)] Actual Weight Time(minutes)
Hallertau Hersbrucker 4.40% 17.47 63.15 (2.23)             60.00

Other fermentables:

Type Weight [gms (lbs)] Actual Weight
Candi Sugar, Dark 812.64 (1.79)                     

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]:1.085mash items only1.076
Boiler loses [ltr (gal)]:2.00 (0.53)

Yeast Pitching

Type Min Temp[C (F)] Max Temp[C (F)]
Belgian Strong - Wyeast 1388 18.00 (64.40) 27.00 (80.60)

Estimated required yeast cells (billion): 434.72

Dried yeast (gm): 23.12
 
No of liquid yeast(Wyeast/Whitelabs) packs: 4.62(Assumes 94% viability)
 
Approximate amount of solid slurry (ml):
One hour settling 616.62(Assumes 25% trub and 94% viability)
One day settling 308.31(Assumes 25% trub and 94% viability)
Longer than 1 week settling 161.01(Assumes 25% trub and 80% viability)

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