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  1. scubadada

    Apeks Transmitter Flooded

    All of the MH8A transmitters are produced by Pelagic Pressure Systems and then branded. One fairly common cause of flood is failure of the over pressure valve, OPV. Did you have a failure of your OPV, easy to tell upon observation? Depending on age, perhaps it was under warranty...
  2. scubadada

    Curacao, Cayman, Turks

    Hi @SusanMarie You might want to take a look at Compass Point/Ocean Frontiers on Grand Cayman. It is on the east end, not with the throngs on Seven Mile Beach/West Bay. Ocean Frontiers may be the best land-based operator I have used.
  3. scubadada

    Mares Puck 4 runs Buhlmann with GF

    In your testing, the Mares Sirius runs like the Shearwater Perdix 2, Garmin MK 2, and Scubapro HUD, unmodified Buhlmann. The Puck 4 likely runs like the Sirius and Genius models. I believe the custom GF range has a maximum of 90, as you ran it in your testing. All 3 of these Mares computers...
  4. scubadada

    Is there anywhere left in the Caribbean with healthy reefs in 2024?

    Hi @Millemar Give Boynton Beach a try when you get home to Florida.
  5. scubadada

    Mares Puck 4 runs Buhlmann with GF

    I started this thread 3 days ago simply to announce the availability of a new, relatively inexpensive dive computer running Buhlmann ZH-L16C with GFs, including custom. Look where's it's gone.
  6. scubadada

    Mares Puck 4 runs Buhlmann with GF

    Hi @Rob9876 What GFs do you run on your Perdix? The first dive of the day on a Suunto is reasonably liberal. Subsequent repetitive dives are more conservative, especially with factors such as a short surface interval. A Shearwater running Buhlmann is relatively more conservative on the...
  7. scubadada

    Dive Computer advice please

    As per the post by @dmaziuk It is my impression that dive computers will only lock you out if you fail to clear a mandatory decompression stop. There is no acceptable excuse to not recognize that your computer has gone into deco and then to clear the short deco obligation it has given you. This...
  8. scubadada

    Mares Puck 4 runs Buhlmann with GF

    This generally does not occur after the first dive of the day, but after the second, with a 45 min surface interval or so. These are generally the 3rd and 4th dive in the afternoon charter. In general, I would say that the divers continue to dive, relying on their buddy's computer for NDL data...
  9. scubadada

    Mares Puck 4 runs Buhlmann with GF

    I dive off charter boats in Florida fairly frequently. I've never seen dive staff check any computers. However, every year I am asked several times why a computer does not seem to be working correctly. The most common answer is that they are locked out in violation gauge mode for skipping a deco...
  10. scubadada

    Mares Puck 4 runs Buhlmann with GF

    The Puck 4 is likely aimed at the usual, recreational diver. The Buhlmann algorithm with GF is a big improvement over Mares RGBM. Of course, it supports 3 gases, as is quite common these days. No reason it could not be an adequate backup to AN/DP unless you intend on skipping your deco stops and...
  11. scubadada

    Mares Puck 4 runs Buhlmann with GF

    Actually, the majority of dive computers will lock you out in violation gauge mode if you do not complete the required decompression stops. There's no very good reason one should skip a deco stop and end up in this situation. I've been using one or more dive computers since 2002, 2300+ dives...
  12. scubadada

    PADI Rescue Diver vs SSI Stress and Rescue

    No regrets regarding the timing of the training. My son and I enjoyed building up the experience and skills. I did not "need" AOW until shortly after taking it. I went on my first trip to Key Largo and dived the Spiegel Grove and the Duane. I could have used recent deep dives, but it was simpler...
  13. scubadada

    Mares Puck 4 runs Buhlmann with GF

    The new Mares Puck 4 runs Buhlmann ZH-L16C with GF. It has several presets and allows custom GFs. I confirmed this in the owner's manual. Another computer joins the Buhlmann ranks. List is $390
  14. scubadada

    PADI Rescue Diver vs SSI Stress and Rescue

    Hi @Jim Lapenta I would argue that a newly branded diver does not have the bandwidth to execute Rescue Diver if taught properly.
  15. scubadada

    PADI Rescue Diver vs SSI Stress and Rescue

    Hi @Pulmcc Don't you and your sons want to become competent independent divers, not dependent on a guide? I took AOW at 85 dives and Rescue at 120 dives, after quite a few non-training dives, many independent.
  16. scubadada

    My dive computer is too conservative, what can I do ?

    Suunto computers run a few different versions of RGBM. The D5 runs Fused RGBM 2. Set at its most liberal setting, it runs similarly to a Buhlmann GF high of 95. @Diving Dubai has many dives with his Eon Steel and Perdix and has posted extensively on this topic...
  17. scubadada

    My dive computer is too conservative, what can I do ?

    Within limits, you can make a liberal computer more conservative; you can't make a more conservative computer more liberal.
  18. scubadada

    My dive computer is too conservative, what can I do ?

    Faking out your computer with the incorrect FiO2 is not a solution. Get a new computer running an acceptable decompression algorithm.
  19. scubadada

    Diving "Conservative" vs Nitrox

    No, review your physiology. The majority of oxygen in blood is carried bound to hemoglobin. At 1 atm and 21% O2, hemoglobin is approximately 97% saturated. Dissolved oxygen contributes very little to oxygen carrying capacity. The additional oxygen from nitrox plays no role
  20. scubadada

    Shearwater Cloud (iOS) bug -- minor [solved in 2.11 (with a very obscurely named toggle)]

    I'd like to see SurfGF added to the SW Cloud graph. That would allow one to follow SurfGF during the dive and one could easily capture maximum SurfGF. See great post by @rsingler https://scubaboard.com/community/threads/rising-gf99-after-surfacing.637093/post-10173481 I have suggested adding...
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