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Date started: 15 February 2004
Volume: 26 litres
Initial density:
Brix: 11.6%
4.015 kg Coopers extra light malt extract
50g DME in starter
175g Coopers extra light malt extract (priming)
47g Tettnang 5.5% AA
18g Tettnang 5.5% AA
Wyeast 2565 Kölsch Yeast
Alcohol: 5.0% v/v
IBU: 30
47g hops boiled in water for 70 minutes. 18g added 5 minutes from
end. Strained into cool water and rinsed.
Malt extract boiled for 20 minutes with about 10 litres water, cooled
to 50° and added to wort. Diluted to 26 liters, 40°. Cooled in
fridge.
Pitched at 28°.
Date time freq wort surroundings
16.ii am 0.32 Hz 20.5° 15.5°
pm 0.56 Hz 18° 14.5°
17.ii am 0.20 Hz 18° 14.0°
pm 0.17 Hz 17.5° 15.0°
18.ii am 0.13 Hz 18.0° 16.0°
pm 0.11 Hz 18.0° 17.0°
19.ii am 0.092 Hz 18.0° 17.0°
pm 0.092 Hz 18.0° 17.0°
20.ii am 0.080 Hz 18.0° 17.0°
pm 0.072 Hz 18.0° 17.0°
21.ii am 0.070 Hz 18.0° 17.0°
midday racked, density 1021
Probably a little early: still significant
yeast on top of brew.
22.ii am 0 <10° (thermostat left outside fridge)
23.ii am 0.048 Hz 16.5°
pm 0.049 Hz 17.5° 17.5°
24.ii am 0.044 Hz 19.0° 18.0°
pm 0.044 Hz 19.5° 17.0°
25.ii am 0.029 Hz 18.5° 16.5°
pm 0.031 Hz 18.0° 16.0°
26.ii am 0.026 Hz 18.0° 16.0°
pm 0.031 Hz 18.0° 16.0°
27.ii am bottled with 275g extra pale malt extract
(9.4 g/l, approx 6.8 g maltose/l)
Density 1018 (1015 before priming)
7.5% Brix (6.8% before priming)
pH 4.2
Bottling statistics:
Bottles size total
26 0.5 l 13.0 l
34 0.375 l 12.75 l
Total 25.75 l
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