feces4biafra
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- Oct 21, 2013
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Background:
I brew extremely high gravity (1.120 - 1.140 OG) lagers. I mash 30# of grain to collect 15 gallons of runnings which I then boil down to 6 gallons (twin brew kettle 2.5 hour boil). Getting that and the associated cleanup done (during and after) can make for a very long brew day (10+ hours). The last couple of batches, I split the process over two days by mashing and collecting my runnings on the first day (usually done around noon), then letting the full brew kettles sit over night and starting the boil early (5AM) the next morning. My batches spend 2-3 months in primary before a 10 week diacetyl/secondary/lagering regime, so the lag time between starting a batch and sampling the result can be almost half a year. I'm ready to start another couple of batches, but being a natural worrier, I'm worried that maybe letting the runnings sit over night might introduce undesired results. Before collecting any runnings, I mash out to 190F+ and my grain bed remains above 180F for the entire lauter/sparge. When I turn on the kettles for the boil the next morning, the runnings have cooled to 70F (I live in Alaska). Any other comments regarding my process are greatly appreciated.
I brew extremely high gravity (1.120 - 1.140 OG) lagers. I mash 30# of grain to collect 15 gallons of runnings which I then boil down to 6 gallons (twin brew kettle 2.5 hour boil). Getting that and the associated cleanup done (during and after) can make for a very long brew day (10+ hours). The last couple of batches, I split the process over two days by mashing and collecting my runnings on the first day (usually done around noon), then letting the full brew kettles sit over night and starting the boil early (5AM) the next morning. My batches spend 2-3 months in primary before a 10 week diacetyl/secondary/lagering regime, so the lag time between starting a batch and sampling the result can be almost half a year. I'm ready to start another couple of batches, but being a natural worrier, I'm worried that maybe letting the runnings sit over night might introduce undesired results. Before collecting any runnings, I mash out to 190F+ and my grain bed remains above 180F for the entire lauter/sparge. When I turn on the kettles for the boil the next morning, the runnings have cooled to 70F (I live in Alaska). Any other comments regarding my process are greatly appreciated.