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I use one of those doohickeys that hook up to a drill, and generally do it for about 10min or so on-and-off. I'm pretty sure how long to oxygenate using O2 has been answered here before, if you search around...popetim wrote:Hi from a newb, at least a newb at aeration. How long do I aerate? One minute, five minutes, half hour? till the oxygen in the Benson red cylinder is gone? (OK I'm assuming that last option is not viable!). Thanks ahead of time for the answer, Tim
popetim wrote:Yeah, I guess I should have been more specific. How long do I aerate using an oxygen cylinder from the hardware store hooked up to a stone immersed in the wort? Thanks again for answers ahead of time. Tim
bewm wrote:I use one of those doohickeys that hook up to a drill, and generally do it for about 10min or so on-and-off. I'm pretty sure how long to oxygenate using O2 has been answered here before, if you search around...
majorvices wrote:I aerate with pure o2 Ales for 60-90 seconds and lagers 2:30 - 3:00 minutes. You don't want to let the o2 come out quickly. It should "trickle out". The more foam you get on top of your beer and the more bubbling you see coming through the surface the less o2 you are dissolving in the wort.
Helps if you can move the stone around as well. My aeration stone is attached to a wand and i "swirl" the wand continuously while aerating.
krizwit wrote:Wyeast did some testing and at 68deg(I believe) for 80 sec with pure O2 you get 15ppm which is ideal. I turn the O2 up all the way and go 80 sec......
At some point too much O2 can be detrimental to the yeast.....
MDixon wrote: Pure oxygen can reach 40ppm.
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