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Dme and starters

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keanex
beers 1629 º places 63 º 08:28 Sat 12/14/2013

Well the starter will likely be oxidized. It might not matter in such a big beer, but in a smaller beer it may. I donít have anything to back that up though.

 
HornyDevil
08:32 Sat 12/14/2013

Originally posted by keanex
Well the starter will likely be oxidized. It might not matter in such a big beer, but in a smaller beer it may. I donít have anything to back that up though.


How is the starter getting oxidized?

 
keanex
beers 1629 º places 63 º 09:01 Sat 12/14/2013

Constantly being shaken/stirred. I also use tin-foil instead of an airlock.

 
HornyDevil
13:41 Sat 12/14/2013

Originally posted by keanex
Constantly being shaken/stirred. I also use tin-foil instead of an airlock.


How long are you allowing your starter to sit there with aluminum foil on the top?

 
bitbucket
beers 2160 º places 63 º 16:46 Sat 12/14/2013

Originally posted by keanex
I just toss it all in, itís not enough to worry about in my opinion.

Yep. Your calculated OG/FG are just estimates.

If you really care deeply about the exact OG, measure it after youíve tossed in the starter.

 
bitbucket
beers 2160 º places 63 º 17:00 Sat 12/14/2013

Originally posted by HornyDevil
Originally posted by keanex
Constantly being shaken/stirred. I also use tin-foil instead of an airlock.


How long are you allowing your starter to sit there with aluminum foil on the top?

Doesnít constantly being shaken/stirred imply itís not just sitting there?

BTW, I prefer stirred not shaken.

 
TheBeerSommelier
premium
20:00 Sat 12/14/2013

Oxidation isnít an issue for starters if you do them correctly.

Ideally, the yeast should be breezing through the lag phase and grinding through the growth phase, during the starterís 24-hour work-life. The highest cell counts are achieved by using a stir plate, constantly introducing O2 the entire time. Doing it manually will work too, but not as well. Cheese cloth cover works well.

The next day is the pre-low krausen halt, by sticking it in the fridge. Pour off as much liquid as possible, warm at room temp, pitch, drink good beer.

 
HornyDevil
03:53 Sun 12/15/2013

Originally posted by TheBeerSommelier
Oxidation isnít an issue for starters if you do them correctly.

Ideally, the yeast should be breezing through the lag phase and grinding through the growth phase, during the starterís 24-hour work-life. The highest cell counts are achieved by using a stir plate, constantly introducing O2 the entire time. Doing it manually will work too, but not as well. Cheese cloth cover works well.

The next day is the pre-low krausen halt, by sticking it in the fridge. Pour off as much liquid as possible, warm at room temp, pitch, drink good beer.


^^^^ ALL of this

 
keanex
beers 1629 º places 63 º 08:13 Sun 12/15/2013

Originally posted by HornyDevil
Originally posted by keanex
Constantly being shaken/stirred. I also use tin-foil instead of an airlock.


How long are you allowing your starter to sit there with aluminum foil on the top?
I pitch into a starter 24 hours before pitching into the batch. I like to have the starter in full force before pitching. I havenít gotten around to making a stir plate yet so I swirl/shake the yeast once every hour that Iím awake.

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