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I was on the boat when it happened. He had finished his dives and we were on the boat headed back to shore. He was standing talking to a couple of guys and I was sitting nearby. Then (without warning as far as I could tell) he collapsed. I do not have a medical background but my (and other...

Although two people of the same body weight (and gear) may/will require different lead based on body type (fat being less dense than muscle), body composition would not affect the formula for the lead differential for a given person (and gear) going between fresh and salt water.

A couple of years ago I dived with Scuba Diving in Hawaii with Kohala Divers and thought they ran a good operation.

Try this link Divers Alert Network

I, too, have the same Halcyon BP/W with weight pockets. (My weight pockets are mounted vertically, so, once unsnapped, the weights fall out. [Is it possible you have yours attached upside down?]) But, as to your question of ditchable weight, you need to be able to swim up to the surface (and...

My understanding of the original basis for the deeper-dive-first "rule" was, as was stated previously, the very short bottom times allowed on the second dive if the first dive was the shallower one. This was to a large extent due to the use of the U.S. Navy tables, which assumed the 2-hour...

I do not normally log pool dives but I did log my dive in Nemo 33! My post about it is at http://www.scubaboard.com/forums/basic-scuba-discussions/237533-o-w-dive-questions-2.html#post3618548

Agreed!

I got 9 out of 13.

Lest anyone construes my comments in this thread as negative towards GUE or Fundies, that is not my intention or feelings. I was (and remain) in awe of the diving skills my instructor exhibited and my eyes, too, were opened to better diving.

The extract above is similar to my experience with Fundies. When the class ended (with me and my two classmates failing) I was physically tired and mentally exhausted. And frustrated. My frustration stemmed from my not being able to see a path to success. For me this (lack of "path") was in...

My hardest class (which I did not pass) was GUE Fundamentals, which I took nearly three years ago. Why: I described that class at the time (and still think so) as like going from high school to graduate school without going to college. I know some folks pass it the first time out, but I...

I had replied that I take everything but tanks and weights, but I, too, take two one-pound trim weights.

+1 for everything but tanks and weights.

Michael's restaurant is in a nice setting of Camama Bay (a shopping/residential/business center). Ate lunch (Lionfish sandwich) and dinner there (shared a whole grilled snapper). Nice restaurant (with some service problems). I thought the Lionfish sandwich itself was so so. It was fried (not...

I was in Grand Cayman last week and had a Lion Fish sandwich at Michael's in Camama Bay.

I'm not horizontal, but close!

I keep track of my air consumption (i.e., SAC) on every dive. (I’m funny that way.) Although my SAC on local dives in cold water (in a drysuit) continues to decline (albeit slowly at this point), on a warm water (wetsuit) dive trip this summer, I was surprised to see that my SAC had increased...

I’ve been trying to develop a back kick for about two and a half years—because it’s a useful skill in general and in underwater photography in particular. I’ve had instruction on it on a couple of occasions and have practiced a little and very occasionally I actually could move backward, but...

In the event that your BCD or wing fails, you need to be able get to the surface. If you can do that without ditchable weight (e.g., the steel tank), fine. If not, then AL and ditchable weight.