"I always say you do what works for you, but 1.5 liters per minute for 5 minutes of pure O2 is a lot of oxygen!"
My fingers betrayed me. That should have been 0.5 liters per minute.
I do have a prescription for oxygen. My fellow homebrew doctor friend wrote it for me. The company I use for re-fills looked at it once and noted it in my customer file and I have never had to show it again.
Brewing since 1989 - BJCP National Rank
Fermenting: Saison Autome, Cherry Mead
Conditioning: Dortmunder Export, Belgian Dubbel, O-fest, Vienna Lager
On tap: CAP, Cider, Impy Cherry Stout, Rye Dunkel Bock, Belgian Chocolate Stout, Hopslam! Clone
Newly Bottled: Belgian Blonde, Belgian Quad