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  1. Doc Harry

    Equipment Gas toxicity blamed for Chinese fatality - Batangas, Philipines

    I use a BW Technology single gas analyzer. They're still available. I got mine from Canary Sense. The one I use (USD $350) requires periodic calibration with CO calibration gas, but you can buy versions (USD $100) that don't require periodic calibration. Those sensors only last 2-3 years...
  2. Doc Harry

    Preparing for fundamentals / intro to tech

    Dean Marshall I've posted his name over and over
  3. Doc Harry

    Preparing for fundamentals / intro to tech

    Your opinion has no bearing on the facts
  4. Doc Harry

    Preparing for fundamentals / intro to tech

    It wasn't just one instructor. There were three instructors present. And it wasn't just the instructors. I contacted the GUE main office regarding the instructors behavior during this class, and GUE didn't GAF. It's the entire organization, from the top down.
  5. Doc Harry

    Trip Report Coz trip report video

    Seven friends/divers from Canada, the USA, and Europe converged on Isla de Cozumel for 9 days of diving. I produced this personal video for my friends and their families to enjoy. It's not really a video for the general public, but since I already produced it I decided to post it here.
  6. Doc Harry

    Preparing for fundamentals / intro to tech

    Irrelevant This really happened
  7. Doc Harry

    Kona Side Diving

    I saw a lot of fish and turtles, nothing else. There are numerous small underwater lava tubes.
  8. Doc Harry

    Info Words used differently by the public and scientists

    Donald ain't smart enough to compete with me https://www.linkedin.com/pulse/four-quadrants-knowledge-jonathan-eyres
  9. Doc Harry

    Info Words used differently by the public and scientists

    Two sides of the same coin. Some things of which you know with certainty are true are actually false. Some things of which we know nothing about, and don't even know that we know nothing about, are true and present.
  10. Doc Harry

    BP/W for beginners?

    Some flights to certain dive locations have strict baggage limits, and flashing extra cash won't get you anywhere. For most international flights I can check 64 kg for free. But that doesn't help when I get the last flight on a small propeller aircraft to some remote island where the weight...
  11. Doc Harry

    BP/W for beginners?

    A steel B/P is a very poor choice if you ever decide to fly somewhere with your gear.
  12. Doc Harry

    Maldives trip late April - best budget island?

    Yeah, but the budget rooms are extremely depressing.
  13. Doc Harry

    Kona Side Diving

    I did a lot of solo day and night shore diving at Puako. There were a lot of whales, and I got to listen to whale songs all day. One day I dropped to the sand outside the reef at 130 feet. Got narc'd real good. Layed on my back and listened to whale songs until it was time to head up and start...
  14. Doc Harry

    Diving Quarrys in Ohio. What Wetsuit?

    I pee in my drysuit. The weight of urine that drains to my feet keeps my feet from floating up.
  15. Doc Harry

    Teric owners, have you required repair or replacement service?

    I left the Teric on the charger and forgot about it. About a week later it was 100% charged. I don't how fast it got to 100%. I took the Teric to Cozumel for 10 days of diving. Just returned home yesterday. The Teric seemed to work just fine. It dropped to 75% after about 5 days, so I charged...
  16. Doc Harry

    American Airlines Monopoly on Cozumel

    The last time I flew Continental, the aircraft broke down and we got stuck overnight in TX. Continental gave all of us passengers vouchers at a hotel that was closed for remodeling. We went back to the Continental ticket counter, but Continental refused to offer an alternative. After 100 of us...
  17. Doc Harry

    American Airlines Monopoly on Cozumel

    When we had to fly Continental through TX to Cozumel, we made the sub-1 hour connection only half the time. But there weren't any other options unless we went to other airlines that required 3 flights and 2 connections.
  18. Doc Harry

    Forgotten Islands / Spice Islands Trip - worth it?

    There is NO WAY I would dive in the disgusting water around Ambon.
  19. Doc Harry

    Question Palau vs Maldives in 2024 liveaboard? I am confused.

    In the past 18 months we did resort/boat diving in the Maldives and a liveaboard on Palau. The current in the Maldives was crazy. It was quite a challenge getting around dive sites. Visibility was 30 to 60 feet. We did some manta dives but I really don't have a lot of memories of the Maldives...
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