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                                    [Choose #1] I might get NITROX cert soon. |  | 
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                                    [Choose #1] As an instructor I tend to mostly use 21percent. But I would like to be able to use Nitrox all the time. |  | 
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                                    [Choose #2] I just won’t dive w/o Nitrox - Prefer 32 |  | 
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                                    [Choose #2] Nitrox 30, better for deeper dives but still benefitial |  | 
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                                    [Choose #2] I dont like headaches |  | 
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                                    [Choose #1] Air most days, we only switch to Nitrox on resort dives where we are hitting 6 to 8 a day. |  | 
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                                    [Choose #3] 1 ST.DIVE 34% 2ND. 36% |  | 
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                                    [Choose #1] do about 10 nitrox dives a year |  | 
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                                    [Choose #1] air cause, sadly, most of my time is spent on land breathing... |  | 
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                                    [Choose #3] your question does not make sense I use the right gas for the depth of dive to maximize my bottom time. |  | 
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                                    [Choose #1] Nitrox only on trip where we do alot more diving |  | 
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                                    [Choose #2] when available |  | 
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                                    [Choose #4] usually ist tank 21% second 36% |  | 
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                                    [Choose #1] Air is cheap for everyday diving. I use Nitrox for more intense dives or for deco gas. |  | 
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                                    [Choose #2] I use the banked Nitrox32..I worth the extra $ cause then I don’t feel so run down after the dives..Thats why its called "Gesser Gas"..Its works for me... Also with 120cu. I need the Nitrox to stay within the limits.. |  | 
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                                    [Choose #3] EANx 34 for me! Love that O2 :o)~ |  |