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  1. Bob DBF

    Time for new regs? or rent?

    @rsingler may be able to help you with that, I just buy the cheap ones and keep them running. There are some that have issues with parts, but I don't think that is one of them. I'm not in the business, and would buy a parts reg if regular channels didn't work. The one I'm using now is from...
  2. Bob DBF

    Negligent homicide: Swiss diving instructor convicted over student's death

    Do not underestimate the stress that deep cold water, even with good viz, can be challenging if one is not throughly acclimated. Add the learning curve for the change in gear from warm water gear. I'd be interested in how many dives he had below the thermocline before the class
  3. Bob DBF

    Hookah diving

    Hookah hoses float, to minimize tangles, only a problem in an overhead situation like the hull cleaner mentioned. Make sure you have your boat battery isolated, and batteries are are up to the task. No sense having fun, then not having your boat turn over. If anyone wants a working unit, go...
  4. Bob DBF

    Tank Boot Rust

    The correct phrase is, "Rust never sleeps".
  5. Bob DBF

    Dive Accident Insurance Limitations

    The end of the line for NDL diving is 190' on the USN Tables, since agency tables no longer go past 140' as you said. At the time, everyone used the Navy tables, including the agencies. I have yet to find out when the 130' depth limit actually started in the agencies. The why is easier, the...
  6. Bob DBF

    SCUBA shop that will issue be an AOW card after a few days diving?

    Perhaps when you were trained the agencies were added, but initially, The Science of Skin and Scuba Diving, and it's first update The New Science of Skin and Scuba Diving, only had the YMCA involved, and i dont believe it was an "agency" at the time. The book was developed to reduce the...
  7. Bob DBF

    Mask on forehead=panic. Where did this mask signal originate?

    If losing a mask a mask turns you into flotsam bobbing in the water, you aren't doing it right. It's an inconvenience, not a catastrophe..
  8. Bob DBF

    Mask on forehead=panic. Where did this mask signal originate?

    It's more than reasonable for the work you were doing, and the conditions you were likely to meet. Rejection of gear when in panic is a real thing, however neatly placing MOF and calmly going with one's business is not panic. Conflating these two conditions is done by some, almost...
  9. Bob DBF

    Mask on forehead=panic. Where did this mask signal originate?

    It was always determined by conditions, forehead for good conditions, around your neck when it was sporty, and on your face when you are the only one in the water, besides surfers. It's like swimming with dogs, they just want to climb on your head.
  10. Bob DBF

    Safe to use former paintball tanks for scuba?

    An AL80 is an AL80. Ask them where they get them filled, it may be the same dive shop you use. If they have their own fill station it may be more of a mess inside.
  11. Bob DBF

    Weighting based on body weight or am I getting better at breathing and entering the water?

    My old poodle jacket was 6# positively buoyant, not counting any air trapped.before the first dive. Earlier jackets were not that bad, but it all depends on the amount of padding used.
  12. Bob DBF

    Question Marine life risks while solo diving

    Not likely you will see the one that gets you. Around NorCal they seem to hate surfers.
  13. Bob DBF

    Overweighted at beginning of dive but underweighted at end in shallows

    One issue I have found with the AL tank because it is butt light, is if one is horizontal, it floats the back of a jacket BC up, and any air in the BC will now be higher in the water column and expand exacerbating the buoyancy problem. I would insure the BC is empty before adding too much...
  14. Bob DBF

    Stainless BP vs Aluminum pool test vs sea

    It sounds about right, but I'd carry a couple of 2# weights for the first dive and do a real weight check at the end.
  15. Bob DBF

    Is this possible 3 dives after having equipment serviced????

    It is never acceptable to pay for a service that was not performed. Did their itemized bill include the inflator service?
  16. Bob DBF

    Is this possible 3 dives after having equipment serviced????

    It seems that the trained proffessional that the OP took it to, did no better than an unqualified repair on the boat. And someone unqualified to do the repair on the boat is an assumption. I'm an amateur, but I repair all my own gear, and have yet to make that problem worse.
  17. Bob DBF

    Is this possible 3 dives after having equipment serviced????

    To be fair I repair my own gear, if possible, for anything I own. When anything has to go into the shop, I talk to the repair tech about why I'm having him fix it, as invariably when a third party is involved, the tech never gets the proper complaint. Not only is my gear fixed properly, but...
  18. Bob DBF

    When to upgrade regulators?

    The time to "upgrade" is when you can't get parts, it's broken beyond reasonable repair, or you just want another reg, and can afford it. I mainly use a first from 2010, and seconds I like, mostly older, and not a match to the first. A lot of dives are on vintage, or at least old, regs I've...
  19. Bob DBF

    Streamlined OW Configuration vs. What?

    If the Diver isn't prepared for a real emergency, what difference does it make if the gear isn't ready?
  20. Bob DBF

    Steel tank ID help

    Back in the mid 80's they stenciled Faber MP (3000#) 72's. Great little tank.
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