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  1. doctormike

    Single tank adapter in Punta Cana

    Hey, I'm in Punta Cana, DR. I forgot a single tank adapter. Anyone have any idea where I might find one? Looking for dive shops but mostly finding places that run tours, etc... Thansk!
  2. doctormike

    Worth upgrading my GoPro 7 Black to a current model GoPro 12?

    Hi, I almost always take my DSLR setup with me when I travel (Canon 7D MKII, Nauticam Housing, fisheye and macro lenses, fisheye and macro ports, strobes, arms and video lights). I love it, but to be honest, I'm getting a bit tired of hauling all of this gear (I also bring my CCR). Going to...
  3. doctormike

    What do you do when the anchor line breaks free?

    I posted my write up of a recent incident on some of our local (New York City area) dive forums, and it got a lot of engagement, almost all positive. But I realize that the way that we do things here is not the way that people do things elsewhere. I have had some lively discussions here with...
  4. doctormike

    Rebreathers and Rotator cuffs

    OK, normally people ask me medical questions here, but today I’m looking for help for myself. I had a skiing injury in January, tore my right rotator cuff. Had the repair in February. This is a BRUTAL recovery, much longer and more difficult than I imagined. But I’m making slow progress with...
  5. doctormike

    SeeAir - what do you think?

    I saw this and I think that it is a very interesting concept. Not sure that this is right for this forum. Mods, feel free to move it. Normally, when something like this is discussed, there is a lot of immediate pushback because we are all so used to the clever gadget that Cousteau offered...
  6. doctormike

    Interested in setting up a dive trip based out of SF

    Hey, my son moved to San Fransisco a few years ago. I just went out to visit him and I had a great time. I'm thinking about coming back for a dive trip, but maybe centered around SF rather than just heading straight to Monterey. Looking for any advice - a liveaboard sounds appealing from...
  7. doctormike

    My first CO2 hit?

    I recently had what I believe was a hypercapnic episode on a rebreather dive, and I’m interested in your thoughts. I dive a JJ CCR, international edition (no dil MAV or ADV shutoff). Bailout is a single AL80 with EAN 28. Axial scrubber, rated for 180 minutes (4 degrees C and heavy workload)...
  8. doctormike

    Trip Report Awesome trip to Newfoundland with Ocean Quest

    Hey, just back from my second trip to Newfoundland to dive with the great team at Ocean Quest! Here's a little video. Thanks to Rick, Debbie, Johnny, Jack, Jimmy, Chelsee, Maude, Henry and anyone else I forgot...
  9. doctormike

    Nosebleeds in Scuba Diving

    doctormike submitted a new resource: Nosebleeds in Scuba Diving - How nosebleeds happen in diving, and how to prevent them Read more about this resource...
  10. doctormike

    Looking for Discover Diving in Turks and Caicos (Provodenciales)

    Hi, everyone..! I'm going to be with a group in Turks and Caicos, the third week in March of this year. In previous years, the non-certified divers in our group were able to do a Discover Diving dive through Caicos Adventures. I called them and they said that they couldn't do that any more...
  11. doctormike

    Seasickness

    doctormike submitted a new resource: Seasickness - If you are a boat diver, you likely have had this problem. Here is some advice on management. Read more about this resource...
  12. doctormike

    SMB, DSMB, Lift Bags and Safety Sausages

    doctormike submitted a new resource: SMB, DSMB, Lift Bags and Safety Sausages - A guide to these commonly confused items Read more about this resource...
  13. doctormike

    The Checklist Sticker

    doctormike submitted a new resource: The Checklist Sticker - A convenient pre-splash rebreather checklist to encourage safer diving Read more about this resource...
  14. doctormike

    Ear Problems in Scuba Diving

    doctormike submitted a new resource: Ear Problems in Scuba Diving - A reivew of dive related ear problems, by Michael Rothschild, MD Read more about this resource...
  15. doctormike

    Thinking of a new dry suit - anyone used No Gravity suits?

    So my 10 year old Santi elite is getting to be pretty high maintenance. I dive it fairly hard on NYC are wrecks, and have been chasing a few holes here and there, which I have patched (some myself, some by pros) with varying success. Zipper replaced by Steve Gamble about 2 years ago. But I...
  16. doctormike

    Trying to put together a flow limiter / pressure gauge combination

    Hey, some of you probably have done something like this before, or might know if my idea has any potential risks. I use a divesoft flow limiter to analyze gas, up to 100% O2, from tanks with DIN valves. Minimizes gas wastage and avoids pressure damage to the sensor from just holding the...
  17. doctormike

    Frequent CCR divers, what do you do between dives?

    I usually dive my JJ nearly every weekend in dive season. I have been in the habit of a freshwater soak, complete disassembly, rinsing the inside of the wing, and then sterilizing the loop (hoses and CL) after diving. But one JJ diver that I respect tells me that he leaves it assembled between...
  18. doctormike

    Rebreather or Anesthesia machine?

    OK, so I don't have a drug port on my JJ, I can't add N20, and I don't have the luxury of a trained professional running my rebreather for me during dives. But other than that, not a lot of difference!
  19. doctormike

    Request for comments on article - mixed OC / CCR teams

    We had a discussion a few years ago about this topic, and I have given a lecture on it at Beneath the Sea. I finally got around to putting this in article form, and adding some images. Here's a draft of the article, if anyone is interested in taking a look and letting me know their thoughts...
  20. doctormike

    Show Us Your Diving Bernies

    OK, now that the craze has pretty much run it's course, let's see your favorite Bernie diving memes. Here's one I made.
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