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  1. dhogan4342

    Scuba Tank O-Ring Size

    Does anyone know the o-ring size for a standard cylinder? Ok, I'm editing this post because I found what I needed. The o-ring size I was looking for is a 014
  2. dhogan4342

    Mapping Blue Hole New Mexico

    I am a DMC in Denver looking for advice on mapping the Blue Hole in New Mexico, any suggestions?
  3. dhogan4342

    Once a DM always liable

    I'm planning on going on to teach scuba as a pastime after retirement (in 5 years). I am 50 now and going for "Rescue" this year. The DM insurance is getting confusing. I was told today by a dive shop owner that once a DM you are liable no matter what. If you are on a boat with two groups and a...
  4. dhogan4342

    Bad Day At The Office

    Rob is a commercial saturation diver for Global Divers in Louisiana. > He performs underwater repairs on offshore drilling rigs. Below is an > E-mail >he > sent to his sister. She then sent it to radio station 103.2 on the FM >dial in > Ft. Wayne, Indiana, who was sponsoring a...
  5. dhogan4342

    Keeping your DM Cert. Current

    What is involved in keeping your DM Cert current?
  6. dhogan4342

    Question on diving with sharks

    Not including being on the surface or having a cut or carrying food or chum, how likely are you to be messed with by a shark at depth? This is also assuming you keep your hands to yourself.
  7. dhogan4342

    Tipping the DM

    I usually tip the Dm $5.00 USD per dive if he is a good one but I rarely see any other divers tipping. Whats you guys take this.
  8. dhogan4342

    Diving in Colorado

    Will be testing some new equipment on Monday at King Fisher Pond by Chatfield Reservior.
  9. dhogan4342

    New Member

    Hello from Denver, Colorado. My name is Dave and like to dive Mexico about twice a year. Plan to take the rescue course this winter and go on to instructor level. I am a member of REEF and like to do survey dives. Happy Diving
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