Brewday: January 16, 2010 - Reay's Bitter
Summary
| Volume to fermenter[ltr (gal)]: | 23.00 | Original Gravity[SG]: | 1.043 |
|---|---|---|---|
| Mash Efficiency [%]: | 75.00% | Bitterness[IBU]: | 40.79 |
| Colour [SRM(EBC)]: | 6.71(13.21) |
Mash
| Mash water volume [ltr (gal)]: | 13.81 (3.65) | Mash tun volume required[ltr (gal)]: | 25.29 (6.68) |
|---|---|---|---|
| Total Mash Grain Weight [gms (lbs)]: | 4602.78 (10.15) |
Grains:
| Type | Weight [gms (lbs)] | Actual Weight |
|---|---|---|
| Biscuit Malt | 124.94 (0.28) | |
| Crystal Pale (Thomas Fawcett) | 497.54 (1.10) | |
| Maris Otter Malt (Bairds) | 3980.30 (8.78) | |
Mash Schedule:
| Name | Method | Step temp [C (F)] |
Step time [minutes] |
Addition amount [ltr (gal)] |
Addition temp [C (F)] |
Liquor/grist ratio [ltr/kg] |
|---|---|---|---|---|---|---|
| Sacchrification | Infusion | 67.00 (152.60) | 60 | 13.81 (3.65) | 73.29 (163.92) | 3.00 |
| Mash gravity @ 100% conversion [SG]: | 1.027 |
|---|
Test ph
Observed ph:pH adjustments:
Sparge
| Minimum required efficiency: | 75.00 % | Max expected efficiency | 87.95 % |
|---|
| Sparge No | Water addition [l] | Expected recovered volume [l] | Required gravity | Max expected gravity |
|---|---|---|---|---|
| 1 | 8.40 | 14.50 | 49.76 | 61.82 |
| 2 | 14.50 | 14.50 | 17.27 | 21.46 |
| Combined | 22.90 | 29.00 | 33.51 | 41.64 |
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]: | 1.034 |
Boil
Hops:
Hop Utilisation Method: Tinseth| Type | AA(%) | IBU | Weight [gms (oz)] | Actual Weight | Time(minutes) |
|---|---|---|---|---|---|
| Northern Brewer | 8.50% | 20.79 | 25.57 (0.90) | 60.00 | |
| Fuggle | 4.75% | 10.00 | 44.34 (1.56) | 15.00 | |
| Fuggle | 4.75% | 10.00 | 110.36 (3.89) | 5.00 |
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]: | 1.039 | mash items only | 1.039 |
| Boiler loses [ltr (gal)]: | 2.00 (0.53) |
Yeast Pitching
| Type | Min Temp[C (F)] | Max Temp[C (F)] |
|---|---|---|
| Saf Ale S-04 | 16.00 (60.80) | 24.00 (75.20) |
| Estimated required yeast cells (billion): | 187.41 |
| Dried yeast (gm): | 9.97 | |
| No of liquid yeast(Wyeast/Whitelabs) packs: | 1.99 | (Assumes 94% viability) |
| Approximate amount of solid slurry (ml): | ||
| One hour settling | 265.83 | (Assumes 25% trub and 94% viability) |
| One day settling | 132.92 | (Assumes 25% trub and 94% viability) |
| Longer than 1 week settling | 69.41 | (Assumes 25% trub and 80% viability) |