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Thanks, for your patience. You are answering some of my questions. I'm just trying to find out what advantages sport divers have in using trimix in the depths shallower than 130. Do you get improved situational awareness even at 70-90ft? Is there research showing less physiological stress? I'm...

Thanks Bjorn. OK, OK, you got me. From the PADI EAN Diving Manual, "...theoretically, oxygen has about the same narcotic potential as nitrogen. Further, studies have found little difference between the narcotic effects of nitrogen and oxygen." So I assumed incorrectly that the enriched air...

Thanks for the input. Sorry, I actually meant shallower than 130ft. In order to keep the post short, I didn't want to tell too much useless info. I can mix batches of 30% (in a 80Cu.ft. tank) for around $20, anyway. Also, I'm probably a little more technically adept than I'm claiming now. I'm...

Hi folks, Just wondering if you have any recent references or threads that detail advantages of using trimix for recreational diving below 130ft. I'm not a tech-diver but only a nitrox diver and a home partial pressure blender of nitrox. I am a small time welder and own numerous gas cylinders...