
Brewday: April 5, 2010 - Bigger and Browner
Summary
| Volume to fermenter[ltr (gal)]: | 42.00 | Original Gravity[SG]: | 1.054 |
|---|---|---|---|
| Mash Efficiency [%]: | 75.00% | Bitterness[IBU]: | 22.48 |
| Colour [SRM(EBC)]: | 33.08(65.16) |
Mash
| Mash water volume [ltr (gal)]: | 31.00 (8.19) | Mash tun volume required[ltr (gal)]: | 45.27 (11.96) |
|---|---|---|---|
| Total Mash Grain Weight [gms (lbs)]: | 10332.68 (22.78) |
Grains:
| Type | Weight [gms (lbs)] | Actual Weight |
|---|---|---|
| Amber Malt | 189.87 (0.42) | |
| Barley Flaked (Bairds) | 599.74 (1.32) | |
| Brown Malt | 379.73 (0.84) | |
| Chocolate Malt (UK) | 599.74 (1.32) | |
| Crystal Malt Medium (Bairds) | 429.60 (0.95) | |
| Crystal Pale (Thomas Fawcett) | 853.96 (1.88) | |
| Maris Otter Malt (Bairds) | 7280.03 (16.05) | |
|   |   |   |
|   |   |   |
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 | Infusion | 53.00 (127.40) | 5 | 22.14 (5.85) | 59.12 (138.42) | 2.14 |
| Sacchrification | Infusion | 65.00 (149.00) | 90 | 8.86 (2.34) | 95.00 (203.00) | 3.00 |
| Mash gravity @ 100% conversion [SG]: | 1.045 |
|---|
Test ph
Observed ph:pH adjustments:
Sparge
| Minimum required efficiency: | 75.00 % | Max expected efficiency | 83.98 % |
|---|
| Sparge No | Water addition [l] | Expected recovered volume [l] | Required gravity | Max expected gravity |
|---|---|---|---|---|
| 1 | 7.35 | 23.00 | 67.92 | 79.22 |
| 2 | 23.00 | 23.00 | 27.18 | 31.70 |
| Combined | 30.35 | 46.00 | 47.55 | 55.46 |
Assumed constants:
| Absorbtion [l/kg]: | 1.3 | Grain displacement [l/kg]: | 0.67 |
|---|
Preboil Values:
| Preboil wort volume [ltr (gal)]: | 46.00 (12.15) | @ mash out temp. | 47.10 (12.44) |
|---|---|---|---|
| Preboil gravity [SG]: | 1.048 |
Boil
Hops:
Hop Utilisation Method: Tinseth| Type | AA(%) | IBU | Weight [gms (oz)] | Actual Weight | Time(minutes) |
|---|---|---|---|---|---|
| Fuggle | 4.75% | 10.22 | 43.86 (1.55) | 60.00 | |
| Super Pride | 14.25% | 12.26 | 17.54 (0.62) | 60.00 |
Other fermentables:
| Type | Weight [gms (lbs)] | Actual Weight |
|---|---|---|
| Golden Syrup | 371.49 (0.82) |
Postboil Values:
| Evaporation [ltr (gal)]: | 2.00 (0.53) | ||
|---|---|---|---|
| Postboil wort volume [ltr (gal)]: | 45.91 (12.13) | @ boiling temp. | 47.83 (12.63) |
| Postboil target gravity [SG]: | 1.053 | mash items only | 1.050 |
| Boiler loses [ltr (gal)]: | 2.00 (0.53) |
Yeast Pitching
| Type | Min Temp[C (F)] | Max Temp[C (F)] |
|---|---|---|
| Ringwood Ale - Wyeast 1187 | 18.00 (64.40) | 23.00 (73.40) |
| Estimated required yeast cells (billion): | 429.19 |
| Dried yeast (gm): | 22.83 | |
| No of liquid yeast(Wyeast/Whitelabs) packs: | 4.57 | (Assumes 94% viability) |
| Approximate amount of solid slurry (ml): | ||
| One hour settling | 608.78 | (Assumes 25% trub and 94% viability) |
| One day settling | 304.39 | (Assumes 25% trub and 94% viability) |
| Longer than 1 week settling | 158.96 | (Assumes 25% trub and 80% viability) |