Brewday: January 23, 2010 - Best Bitter

Summary

Volume to fermenter[ltr (gal)]: 38.00 Original Gravity[SG]:1.050
Mash Efficiency [%]: 75.00% Bitterness[IBU]:34.22
Colour [SRM(EBC)]:7.42(14.62)

Mash

Mash water volume [ltr (gal)]:34.14 (9.02) Mash tun volume required[ltr (gal)]:39.58 (10.46)
Total Mash Grain Weight [gms (lbs)]:8128.02 (17.92)

Grains:

Type Weight [gms (lbs)] Actual Weight
Amber Malt 456.52 (1.01)                     
Aromatic Malt 91.30 (0.20)                     
Biscuit Malt 200.00 (0.44)                     
Crystal Pale (Thomas Fawcett) 547.83 (1.21)                     
Maris Otter Malt (Bairds) 6517.37 (14.37)                     
Oats, Malted 315.00 (0.69)                     
   
   

Mash Schedule:

Name Method Step temp
[C (F)]
Step time
[minutes]
Addition amount
[ltr (gal)]
Addition temp
[C (F)]
Liquor/grist ratio
[ltr/kg]
Protein rest Infusion 53.00 (127.40) 5 16.25 (4.29) 59.56 (139.21) 2.00
Sacchrification Infusion 67.00 (152.60) 60 8.13 (2.15) 95.00 (203.00) 3.00
Mash out Infusion 75.00 (167.00) 10 9.75 (2.58) 95.00 (203.00) 4.20

Mash gravity @ 100% conversion [SG]:1.047

Test ph

Observed ph:
pH adjustments:


Sparge

Minimum required efficiency:75.00 % Max expected efficiency85.08 %

Sparge No Water addition [l]Expected recovered volume [l]Required gravityMax expected gravity
1 0.00 21.57 59.80 71.23
     
2 18.43 18.43 24.25 28.88
     
Combined 18.43 40.00 43.42 51.72
     

Assumed constants:

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

Preboil Values:

Preboil wort volume [ltr (gal)]:40.00 (10.57) @ mash out temp.40.95 (10.82)
Preboil gravity [SG]:1.043

Boil

Hops:

Hop Utilisation Method: Tinseth
Type AA(%) IBU Weight [gms (oz)] Actual Weight Time(minutes)
Super Pride 13.00% 28.97 40.00 (1.41)             60.00
East Kent Goldings 4.75% 5.25 40.00 (1.41)             15.00
Styrian Goldings 5.25% 0.00 45.65 (1.61)             Hop Tea

Other fermentables:

Type Weight [gms (lbs)] Actual Weight
Cane (Beet) Sugar 544.67 (1.20)                     

Miscellaneous

Name Type Use Amount Actual Time [Minutes]
Calcium Chloride wateragent mash 1.00 (0.04)  [gms (oz)]       (Not Available)
Citric Acid wateragent mash 0.50 (0.02)  [gms (oz)]       (Not Available)
Sulphate wateragent mash 2.74 (0.10)  [gms (oz)]       (Not Available)

Postboil Values:

Evaporation [ltr (gal)]:0.00 (0.00)
Postboil wort volume [ltr (gal)]:42.00 (11.10)@ boiling temp.43.75 (11.56)
Postboil target gravity [SG]:1.048mash items only1.043
Boiler loses [ltr (gal)]:2.00 (0.53)

Yeast Pitching

Type Min Temp[C (F)] Max Temp[C (F)]
West Yorkshire Ale (Timothy Landlord) - Wyeast 1469 17.00 (62.60) 22.00 (71.60)

Estimated required yeast cells (billion): 356.25

Dried yeast (gm): 18.95
 
No of liquid yeast(Wyeast/Whitelabs) packs: 3.79(Assumes 94% viability)
 
Approximate amount of solid slurry (ml):
One hour settling 505.32(Assumes 25% trub and 94% viability)
One day settling 252.66(Assumes 25% trub and 94% viability)
Longer than 1 week settling 131.94(Assumes 25% trub and 80% viability)

www.brewtoolz.com - Brewtoolz - Brewing tool calculator