Brewday: September 9, 2010 - Krispy Kolsch
Summary
| Volume to fermenter[ltr (gal)]: | 42.00 | Original Gravity[SG]: | 1.050 |
|---|---|---|---|
| Mash Efficiency [%]: | 70.00% | Bitterness[IBU]: | 22.00 |
| Colour [SRM(EBC)]: | 3.71(7.31) |
Mash
| Mash water volume [ltr (gal)]: | 42.14 (11.13) | Mash tun volume required[ltr (gal)]: | 49.56 (13.09) |
|---|---|---|---|
| Total Mash Grain Weight [gms (lbs)]: | 11088.22 (24.45) |
Grains:
| Type | Weight [gms (lbs)] | Actual Weight |
|---|---|---|
| Pilsner Lager Malt (Bairds) | 10110.94 (22.29) | |
| Wheat Malt (Barrett Burston) | 977.27 (2.15) | |
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 | 52.00 (125.60) | 5 | 30.38 (8.02) | 56.64 (133.95) | 2.74 |
| Sacchrification | Infusion | 64.00 (147.20) | 90 | 11.76 (3.11) | 95.00 (203.00) | 3.80 |
| Mash gravity @ 100% conversion [SG]: | 1.076 |
|---|
Test ph
Observed ph:pH adjustments:
Sparge
| Minimum required efficiency: | 70.00 % | Max expected efficiency | 84.44 % |
|---|
| Sparge No | Water addition [l] | Expected recovered volume [l] | Required gravity | Max expected gravity |
|---|---|---|---|---|
| 1 | 0.00 | 27.72 | 65.75 | 79.32 |
| 2 | 17.28 | 17.28 | 29.91 | 36.08 |
| Combined | 17.28 | 45.00 | 51.99 | 62.71 |
Assumed constants:
| Absorbtion [l/kg]: | 1.3 | Grain displacement [l/kg]: | 0.67 |
|---|
Preboil Values:
| Preboil wort volume [ltr (gal)]: | 45.00 (11.89) | @ mash out temp. | 46.07 (12.17) |
|---|---|---|---|
| Preboil gravity [SG]: | 1.052 |
Boil
Hops:
Hop Utilisation Method: Tinseth| Type | AA(%) | IBU | Weight [gms (oz)] | Actual Weight | Time(minutes) |
|---|---|---|---|---|---|
| Perle | 8.25% | 22.00 | 51.72 (1.82) | 60.00 |
Postboil Values:
| Evaporation [ltr (gal)]: | 2.00 (0.53) | ||
|---|---|---|---|
| Postboil wort volume [ltr (gal)]: | 43.00 (11.36) | @ boiling temp. | 44.79 (11.83) |
| Postboil target gravity [SG]: | 1.054 | mash items only | 1.054 |
| Boiler loses [ltr (gal)]: | 1.00 (0.26) |
Yeast Pitching
| Type | Min Temp[C (F)] | Max Temp[C (F)] |
|---|---|---|
| Kölsch - Wyeast 2056 | 13.00 (55.40) | 21.00 (69.80) |
| Estimated required yeast cells (billion): | 590.63 |
| Dried yeast (gm): | 31.42 | |
| No of liquid yeast(Wyeast/Whitelabs) packs: | 6.28 | (Assumes 94% viability) |
| Approximate amount of solid slurry (ml): | ||
| One hour settling | 837.77 | (Assumes 25% trub and 94% viability) |
| One day settling | 418.88 | (Assumes 25% trub and 94% viability) |
| Longer than 1 week settling | 218.75 | (Assumes 25% trub and 80% viability) |