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Lowest oxygen gas that can be breathed at the depth you are at. I would dearly love ot hear the name of the boat monkey who told you to "get away from the helium". We use helium in our deco gasses. Gatto, Richard RG SCC wrote: > > How about some advice here... O2 breaks.... Do you use your back gas or your > previous gas? > Example: Lets say you have back gas 17/55, deco 50/50 and O2. > > I have heard two lines of reasoning for this question. One group says to get > away from the helium during deco that N uptake is much slower so you should > use your 50/50. The other group states that you are taking a break from the > O2 and should move to backgas not the higher O2 in the 50/50. > > Personally I was taught to move back one gas for your breaks, in this case > the 50/50. Am I wrong here? Excuse any obvious ignorance as I was taught > commercially and now am now converting to planning and diving without the > surface support. When I was diving commercial this was a non issue, you > switched to air. > > Thanks, > Rick > > --------------------------------------------------------------------- > To unsubscribe, e-mail: quest-unsubscribe@gu*.co* > For additional commands, e-mail: quest-help@gu*.co* -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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