
Brewday: February 21, 2010 - Hefeweizen Dunkel
Summary
| Volume to fermenter[ltr (gal)]: | 23.00 | Original Gravity[SG]: | 1.056 |
|---|---|---|---|
| Mash Efficiency [%]: | 75.00% | Bitterness[IBU]: | 11.03 |
| Colour [SRM(EBC)]: | 20.28(39.95) |
Mash
| Mash water volume [ltr (gal)]: | 19.65 (5.19) | Mash tun volume required[ltr (gal)]: | 30.02 (7.93) |
|---|---|---|---|
| Total Mash Grain Weight [gms (lbs)]: | 6549.99 (14.44) |
Grains:
| Type | Weight [gms (lbs)] | Actual Weight |
|---|---|---|
| Barley Roasted Malt (Bairds) | 100.00 (0.22) | |
| Choc Chit Malt (Joe White) | 100.00 (0.22) | |
| Crystal Malt Dark (Bairds) | 150.00 (0.33) | |
| Munich I Malt (Weyermann) | 1400.00 (3.09) | |
| Pilsner Malt (Weyermann) | 1300.00 (2.87) | |
| Wheat Malt (Barrett Burston) | 3500.00 (7.72) | |
|   |   |   |
|   |   |   |
Mash Schedule:
| Name | Method | Step temp [C (F)] |
Step time [minutes] |
Addition amount [ltr (gal)] |
Addition temp [C (F)] |
Liquor/grist ratio [ltr/kg] |
|---|---|---|---|---|---|---|
| Protien Rest | Infusion | 50.00 (122.00) | 10 | 12.23 (3.23) | 56.37 (133.47) | 1.87 |
| Sacchrification | Infusion | 67.00 (152.60) | 80 | 7.42 (1.96) | 95.00 (203.00) | 3.00 |
| Mash gravity @ 100% conversion [SG]: | 1.055 |
|---|
Test ph
Observed ph:pH adjustments:
Sparge
| Minimum required efficiency: | 75.00 % | Max expected efficiency | 84.38 % |
|---|
| Sparge No | Water addition [l] | Expected recovered volume [l] | Required gravity | Max expected gravity |
|---|---|---|---|---|
| 1 | 5.98 | 15.50 | 64.98 | 76.91 |
| 2 | 15.50 | 15.50 | 25.68 | 30.40 |
| Combined | 21.48 | 31.00 | 45.33 | 53.66 |
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]: | 1.045 |
Boil
Hops:
Hop Utilisation Method: Tinseth| Type | AA(%) | IBU | Weight [gms (oz)] | Actual Weight | Time(minutes) |
|---|---|---|---|---|---|
| Hallertau Hersbrucker | 2.50% | 11.03 | 50.00 (1.76) | 90.00 |
Postboil Values:
| Evaporation [ltr (gal)]: | 6.00 (1.59) | ||
|---|---|---|---|
| Postboil wort volume [ltr (gal)]: | 26.61 (7.03) | @ boiling temp. | 27.72 (7.32) |
| Postboil target gravity [SG]: | 1.056 | mash items only | 1.056 |
| 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): | 240.90 |
| Dried yeast (gm): | 12.81 | |
| No of liquid yeast(Wyeast/Whitelabs) packs: | 2.56 | (Assumes 94% viability) |
| Approximate amount of solid slurry (ml): | ||
| One hour settling | 341.70 | (Assumes 25% trub and 94% viability) |
| One day settling | 170.85 | (Assumes 25% trub and 94% viability) |
| Longer than 1 week settling | 89.22 | (Assumes 25% trub and 80% viability) |