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Date started: 9 August 2003 Volume: 25 litres Initial density: 1040 @24° Ingredients: 1.5 kg Coopers "Bavarian Lager" hopped malt extract 1.5 kg Grumpy's "Schultzheiss" German Lager Master Brew Mix 11.5g Saflager W34/70 dried yeat Grumpys mashed 10 min. Add Coopers, hops, bring to boil, boil 3 min. Rehydrate yeast. Pitched at 24°. Fermentation activity appeared almost immediately. Cooled overnight to 18°, fermentation stopped.Probably there was no fermentation, just activity from rehydration.
Fermentation progress: 10.VIII cooled to 10°. Still no fermentation. 11.VIII No change. In evening moved to kitchen. 12. VIII 21°. Fermentation (re)commences. 13. VIII 20° 0.22 Hz, much scum on surface. Is this a real bottom fermenter? pm 0.27 Hz. Moved to cooler location. Less scum. 14.VIII am 13° 0.14 Hz pm 13° 0.125 Hz 15.VIII am 11° 0.09 Hz pm 11° 0.09 Hz 16.VIII am 11° 0.065 Hz pm 11° 0.075 Hz 17.VIII am 11° 0.065 Hz pm 12° density 1018. Hop scum. 0.60 Hz 18.VIII am 12° density 1016. Racked. 20.VIII pm 12° density 1013. bottled with 140 g sucrose (6 g/l). Bottling statistics: Bottles size total 30 0.5 l 14.0 l 24 0.375 l 9.0 l Total 23.0 l
16 September: Still cloudy, low condition. Quite bitter, medicinal aftertaste.
24 September: Got Thomas Hamann of Grumpys to taste it. Verdict: infected, drink as quickly as possible.
28 September: Strong increase in condition, almost impossible to pour (gusher infection?)
9 October: Foaming appears to be associated with storage temperature: doesn't happen to bottles stored in the fridge from the beginning.
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