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  1. sprockjohnson

    Do you wear a dive watch? (not computer)

    I don't wear a dive watch on every dive- I usually use a Petrel 2 or Garmin G1- but will sometimes wear one in addition to the dive computer. Just because. I've used my Casio G-Shock, Vostok Amphibia, and Citizen Ecozilla and all have worked just fine. Even though both of my aforementioned...
  2. sprockjohnson

    backpack for carrying 3 AL80 tanks

    Can't remember the specific post but somebody talked about using a padded strap with a boltsnap at each end which was draped behind the neck and over the shoulders and then clipping the boltsnaps to neck chokers on each respective tank to carry them. Would still be heavy and perhaps too...
  3. sprockjohnson

    Use a gag strap?

    I had a gag strap on my rEvo DSV when I first bought it but stopped using it due to the difficulty in switching to my necklaced BO regulator. I did not have one on my Sport KISS which had the factory BOV and after diving with that several times wished I did have one due to jaw fatigue with the...
  4. sprockjohnson

    Looking for an UWATEC Scubapro blue transmitter

    I have one but the battery is dead....
  5. sprockjohnson

    ???Future of Open Circuit Mixed Gas and Rebreather Diving???

    So... you dive deep air, don't get narked, and don't get winded. Truly, your accomplishments are admirable.
  6. sprockjohnson

    ???Future of Open Circuit Mixed Gas and Rebreather Diving???

    I'll second this. I found that the beginnings of CO2 retention due to gas density feel like impending doom/ anxiety in the center of the chest whereas full blown gas density issues on a CCR feels like you can't breath enough. On OC I found that overexertion on air at 80' while dragging a...
  7. sprockjohnson

    Oceanic iPhone case is now a dive computer

    So... the phone housing hardware/ software is rated to 196' whereas the Apple Watch Ultra application limits you to 130' with the same application/ subscription?
  8. sprockjohnson

    Sidemount Bailout Config?

    Bungee through backplate and have the LM buttplate, but end up clipping to the waist D-rings since I'm using AL80's.
  9. sprockjohnson

    goodman handle use tips?

    How is a bungee mount not meeting the requirement to readily switch between hands? Honest question. I use this with my canister light and can easily switch it between hands if needed- https://www.thingiverse.com/thing:5808852 Granted, it is used with a canister light and not a cordless light...
  10. sprockjohnson

    Booze, Drugs, And Diving

    I think there is something to the intensifying of effects at pressure. I had one beer during a 1-1.5 hour surface interval while spearfishing in the gulf in about 75-80 feet of water and even though the small buzz appeared to have gone away by the time I jumped in for the second dive I felt...
  11. sprockjohnson

    Analyzer Sensor Died

    You do test mv in air and o2 but the pressure pot allows you to bring the ppo2 up higher to check for linearity and current limiting at higher levels of o2. Like I said not as relevant outside the rebreather but still helps to gauge the health of the cell. That being said, they still can just...
  12. sprockjohnson

    Analyzer Sensor Died

    That depends on how high a ppo2 you expect to read with the cells. If you take the rebreather out of the equation then you won't be analyzing anything higher than 100% o2. I built the pressure pot cell checker specifically for checking my rebreather cells but have found that it helps to get an...
  13. sprockjohnson

    Analyzer Sensor Died

    I use the same o2 cells from my rebreather after they have been cycled out at the 12-18 month mark. For the analyzer, I always calibrate on dry air from a tank before analyzing the target tank. This might be OCD and unnecessary but I also check all my cells, those in the rebreather and the...
  14. sprockjohnson

    New Garmin Dive Computer: Descent G1

    This has been my experience as well for the most part. I also have the Solar model and use it for daily wear and find that, depending on the notifications settings, I use about 2-3% per day of normal wear and 5-10% per dive. I find that the battery percentage drops faster on days where I...
  15. sprockjohnson

    Sold! rEvo mCCR

    What is the p-port at the bottom of the case for? I have the same unit minus that part.
  16. sprockjohnson

    Best suggestions for hands free video while diving.

    I have used GoPros and a Paralenz with helmet mounting, DPV mounting, Speargun mounting, and a handheld camera tray with equally bad results due to my horrible video filming skills. The problem with the speargun and DPV mounts are that when you drop them to do something else or during a spear...
  17. sprockjohnson

    Square scrubber and hypercapnia

    Agreed and thanks for the reply. I previously replaced the stock BOV which had the fabric one-way valves for just this reason after it was failing pre-dive tests and instead installed an unknown brand DSV which appears to be functioning perfectly. I also have a rEvo which is better suited for...
  18. sprockjohnson

    Square scrubber and hypercapnia

    Fresh packed scrubber before the 100 mile drive to the spring during which it was upright. Mushroom valves were sealing like they should. Also, I was using a DPV so no real workload to speak of. I initially suspected channeling but, based on the WOB of this particular unit, am leaning towards...
  19. sprockjohnson

    Square scrubber and hypercapnia

    Thank you all for the replies. I had wondered if gas density might be a factor. DSV appeared to be functioning well and mushroom valves were sealing like they should.
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