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YEAST: the power and the glory
I always give my wort and yeast starters a shot of O2 before pitching my yeast. Keep in mind that the boil drives off O2. I think it was BYO who had an article a few months ago comparing levels of dissolved oxygen using various methods: pouring directly into fermenter, using an aquarium pump, injecting pure O2, etc. I'll dig it up so I can post the numbers but the bottom line was that injecting pure O2 resulted in the highest levels of DO.
So I went with the step up plan. Pitched a vial each into 2 jugs with 1/2 gallon each yesterday, then split that into 4 jugs today, and added another 1/2 gallon to each of the 4. I have them waiting in line to make ther way onto the stirplate. 
If i'm reusing yeast, and have it in the fridge for about 2 weeks, would it be benificial to throw it on the plate stirrer with another starter, or should I just let it warm up and pitch?
bruguru wrote:
If i'm reusing yeast, and have it in the fridge for about 2 weeks, would it be benificial to throw it on the plate stirrer with another starter, or should I just let it warm up and pitch?
2 weeks, pitch it.
3 weeks, pitch it
4 weeks, eehhh
thirsty wrote:
bruguru wrote:
If i'm reusing yeast, and have it in the fridge for about 2 weeks, would it be benificial to throw it on the plate stirrer with another starter, or should I just let it warm up and pitch?
2 weeks, pitch it.
3 weeks, pitch it
4 weeks, eehhh
5 weeks, drink it
6 weeks, toss it
Great topic, FirePitBrew I would love to see those numbers. If you get a chance post them. I have always wondered how much difference there is between the different methods.
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