Brewday: April 3, 2010 - Stout for Stout Stout
Summary
| Volume to fermenter[ltr (gal)]: |
25.00 |
Original Gravity[SG]: | 1.051 |
| Mash Efficiency [%]: | 75.00% |
Bitterness[IBU]: | 40.00 |
| Colour [SRM(EBC)]: | 61.66(121.46) |
Mash
| Mash water volume [ltr (gal)]: | 25.72 (6.80) |
Mash tun volume required[ltr (gal)]: | 34.13 (9.02) |
| Total Mash Grain Weight [gms (lbs)]: | 8574.83 (18.90) |
Grains:
| Type |
Weight [gms (lbs)] |
Actual Weight |
| Amber Malt |
1306.34 (2.88) |
|
| Barley Roasted Malt (Bairds) |
542.16 (1.20) |
|
| Caramunich Type 1 Malt (Weyermann) |
624.82 (1.38) |
|
| Chocolate Malt (Bairds) |
402.95 (0.89) |
|
| Crystal Malt Dark (Bairds) |
699.97 (1.54) |
|
| Pilsner Pale Malt (Barrett Burston) |
4998.60 (11.02) |
|
| | | |
| | | |
Mash Schedule:
| Name |
Method |
Step temp
[C (F)] |
Step time
[minutes] |
Addition amount
[ltr (gal)] |
Addition temp
[C (F)] |
Liquor/grist ratio
[ltr/kg] |
| Single Infusion |
Infusion |
67.00 (152.60) |
60 |
25.72 (6.80)
|
73.29 (163.92) |
3.00 |
| Mash gravity @ 100% conversion [SG]: | 1.077 |
Test ph
Observed ph:
pH adjustments:
Sparge
| Minimum required efficiency: | 75.00 % |
Max expected efficiency | 79.39 % |
| Sparge No | Water addition [l] | Expected recovered volume [l] | Required gravity | Max expected gravity |
|---|
| 1 |
2.66 |
15.50 |
78.11 |
87.32 |
| | | | | |
| 2 |
15.50 |
15.50 |
35.46 |
39.65 |
| | | | | |
| Combined |
18.16 |
31.00 |
56.79 |
63.49 |
| | | | | |
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]: | 1.057 |
Boil
Hops:
Hop Utilisation Method: Tinseth - No chill cooling method
| Type |
AA(%) |
IBU |
Weight [gms (oz)] |
Actual Weight |
Time(minutes) |
| East Kent Goldings |
4.75% |
20.00 |
56.75 (2.00) |
|
60.00 |
| East Kent Goldings |
4.75% |
20.00 |
62.96 (2.22) |
|
30.00 |
Postboil Values:
| Evaporation [ltr (gal)]: | 4.00 (1.06) |
|---|
| Postboil wort volume [ltr (gal)]: | 28.74 (7.59) | @ boiling temp. | 29.94 (7.91) |
| Postboil target gravity [SG]: | 1.065 | mash items only | 1.065 |
| Boiler loses [ltr (gal)]: | 2.00 (0.53) |
Yeast Pitching
| Type |
Min Temp[C (F)] |
Max Temp[C (F)] |
| London Ale - WLP013 |
18.89 (66.00) |
21.67 (71.00) |
| Estimated required yeast cells (billion): |
239.06 |
| Dried yeast (gm): |
12.72 |
| |
| No of liquid yeast(Wyeast/Whitelabs) packs: |
2.54 | (Assumes 94% viability) |
| |
| Approximate amount of solid slurry (ml): |
| |
| One hour settling |
339.10 | (Assumes 25% trub and 94% viability) |
| One day settling |
169.55 | (Assumes 25% trub and 94% viability) |
| Longer than 1 week settling |
88.54 | (Assumes 25% trub and 80% viability) |
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