
Brewday: April 25, 2010 - Jamils Dunkel
Summary
| Volume to fermenter[ltr (gal)]: | 23.00 | Original Gravity[SG]: | 1.053 |
|---|---|---|---|
| Mash Efficiency [%]: | 75.00% | Bitterness[IBU]: | 13.79 |
| Colour [SRM(EBC)]: | 17.07(33.62) |
Mash
| Mash water volume [ltr (gal)]: | 20.17 (5.33) | Mash tun volume required[ltr (gal)]: | 29.47 (7.79) |
|---|---|---|---|
| Total Mash Grain Weight [gms (lbs)]: | 6724.03 (14.82) |
Grains:
| Type | Weight [gms (lbs)] | Actual Weight |
|---|---|---|
| Carafa Special Type 2 (Weyermann) | 66.23 (0.15) | |
| Crystal Malt Pale (Bairds) | 197.53 (0.44) | |
| Munich II Malt (Weyermann) | 1580.21 (3.48) | |
| Pilsner Malt (Weyermann) | 1045.73 (2.31) | |
| Special B Malt | 197.53 (0.44) | |
| Wheat Malt Pale (Weyermann) | 3636.80 (8.02) | |
|   |   |   |
|   |   |   |
Mash Schedule:
| Name | Method | Step temp [C (F)] |
Step time [minutes] |
Addition amount [ltr (gal)] |
Addition temp [C (F)] |
Liquor/grist ratio [ltr/kg] |
|---|---|---|---|---|---|---|
| Saccrification | Direct | 67.00 (152.60) | 60 | 0.00 (0.00) | 0.00 (32.00) | 3.20 |
| Mash gravity @ 100% conversion [SG]: | 1.057 |
|---|
Test ph
Observed ph:pH adjustments:
Sparge
| Minimum required efficiency: | 75.00 % | Max expected efficiency | 82.43 % |
|---|
| Sparge No | Water addition [l] | Expected recovered volume [l] | Required gravity | Max expected gravity |
|---|---|---|---|---|
| 1 | 4.79 | 14.50 | 69.59 | 81.03 |
| 2 | 14.50 | 14.50 | 29.17 | 33.97 |
| Combined | 19.29 | 29.00 | 49.38 | 57.50 |
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]: | 1.049 |
Boil
Hops:
Hop Utilisation Method: Rager| Type | AA(%) | IBU | Weight [gms (oz)] | Actual Weight | Time(minutes) |
|---|---|---|---|---|---|
| Hallertau Tradition German | 3.80% | 13.79 | 32.53 (1.15) | 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]: | 1.057 | mash items only | 1.057 |
| 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): | 228.56 |
| Dried yeast (gm): | 12.16 | |
| No of liquid yeast(Wyeast/Whitelabs) packs: | 2.43 | (Assumes 94% viability) |
| Approximate amount of solid slurry (ml): | ||
| One hour settling | 324.20 | (Assumes 25% trub and 94% viability) |
| One day settling | 162.10 | (Assumes 25% trub and 94% viability) |
| Longer than 1 week settling | 84.65 | (Assumes 25% trub and 80% viability) |