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I was in fact addressing switching to EAN for the ascent only since others were tooting the "higher 02 content for ascent" horn, which makes sense for deco dives w/ appropriate gasses but not for recreational dives with recreational nitrox blends.
Yes there are advantages to diving EAN with a P02 below 1.4, but only if you're going to be hanging around that P02 and using it properly and the lower the P02 the lower the advantage.
IF I were to be doing the aforementioned then I would start with the pony and then switch to EAN as well and let the off gassing begin. But I wouldn't do the dive because it's, well, stupid.
Anyway, I think we probably agree with each other we just have a miss communication somewhere.
Finally; 10 minutes deco for 22 minutes at 100ft! Ouch.