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    FS: HydroOptix Mega -4.5 DD scuba diving mask

    For sale: used HydroOptix Mega -4.5 DD scuba diving mask I have listed this on ebay, it can be found here: HydroOptix Mega -4.5 DD scuba diving mask - eBay (item 330582342679 end time Jul-02-11 16:00:16 PDT)
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    question about hyperventilation

    this weekend I was watching the PADI OW DVD with my girlfriend who is getting certified. In section 4 or 5, they talked about free diving and using hyperventilation to lenghten the the time before the desire to take a breath while snokreling or free diving. now I understand the concept here...
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    HydroOptix leak problem

    So I picked up the HydroOptix 4.5DD mask last year and I absolutely love it. I'm a naked match for it and with everything I've gained from it I can't ever imagine going back to flat panel masks. Well, from the start the only issue I had was leaking, and I figured I'd just learn to use the purge...
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    SI before ascent to altitude

    Hey everyone, I came across this table for surface intervals before ascent to a higher altitude and thought other people would find this useful. I verified this information in my U.S. Navy Diving Manual. happy diving!!!!
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    steel doubles with band

    I have put up some doubles on ebay with a low starting bid of $50, check'em out if your interested... Stainless steel tank doubles + bands + connecting valve - eBay (item 330266466224 end time Sep-01-08 18:04:38 PDT)
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    anyone interested in carpooling to RMO meet and greet?

    Looking at my schedule in September, I might be able to go down for the RMO meet, greet and dive. (Birthday weekend, hopefully I'll have some new gear I'll need to test out or some new training to sign off on :D ) Are there any interests here in Fort Collins or Denver for a carpool to leave...
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