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Floaty AL80s shouldn't be floaty when using stage bottles. I was taught to front clip the main tank on the side(s) with the stages from the start. Then the stage bottle clips in to the waist side d-ring. Rotate the stage bottle under the main tank and clip the stage to the top shoulder d-ring...

Back to the original question ... my understanding is unless the subscription is the Diamond, it will expire in a year. However, I have never actually seen them expire. Also, yes, the training can be downloaded to the app for offline viewing but the training progression on a computer/laptop...

You're allowed to check your gauges. From the IM: Continually observe participants with only the brief, periodic interruptions needed to lead the dive and to provide assistance to individual divers. But if that brief interruption results in a DSD being lost due to current or visibility then...

It's nigh impossible. I did it once during my cross-over course and it was not fun. But two on one side, two on the other puts the two outer divers out of reach and unable to be immediately contacted. From the IM: Position yourself so that you or a certified assistant can make immediate...

As Rick said, you should not be doing anything new in the open water dives. You learned everything in the pool and now it's time to just apply it in a new environment. Visibility, cold, etc, are all different variables. Ensure you keep your instructor informed of how you feel. If you're too...

I suspect you're overestimating the data available and the value of the data available. There can be a tremendous number of variables and parsing out the conclusions can be extremely difficult. Then once the data is available, it may or may not be terribly convincing one way or another. And the...

I've never seen nor been taught to give CPR in the water, only rescue breaths. What agency teaches in-water CPR as described in the article?

There is nothing about the nav course that couldn't be done in SM. Not sure why they had a problem with it. Not sure what other courses you were doing but all the ones I can think of would not be an issue in SM. S&R in SM should have been allowed. First, there is no restriction on it. Second...

It's not about the%O2, it's about the cleanliness of the gas used. If Grade E gas is used, it doesn't matter if it's 50%, 32%, 100%, or 21% ... the gear remains O2 clean. But many places that bank 32% or just provided 21% may not be providing it as Grade E cleanliness. If non-Grade E is put...

"8. When accidents happen, it is the choice of the diver who made a stupid mistake. (Human factors research from aviation, nuclear and oil and gas would show this might not be true.)" Recommended slight correction in italics. For a particular accident, it may be absolutely stupid...

Is the argument over written checklist vs memorized checklist? OW diver buddy checks are still taught as checklists but with acronyms as memory aids for the checklist. Even OC tech diver checks are often acronym-driven checklists. And if someone made the comment to me, 'You don't need one...

And this is different than any other day around here this time of year, how?? :eyebrow: All joking aside, except for one day this year, the thunderstorms have been blowing through pretty fast. That one day, a small storm started on the north part of Lake Keowee and then just kept growing...

Yeah, some have started to clear. But getting in could still be hit and miss depending on if the park rangers at the entrance have current information regarding parking availability. My experience from two weeks ago was that them having current information can be hit and miss depending on the...

Yeah, viz down to about 40 ft has been marginal (6 - 8 ft?) Below that it starts opening up. The water has been really high this year (we're about 7 inches above average annual rainfall so far this year.) I try to be there by 0830 on Saturday and 0930 on Sunday. The Park Rangers have been...

News is indicating Nicholas “Duffy” Fudge, mate on the FV Pinwheel from Nat Geo Wicked Tuna died Thursday, Aug 19. obit theorized he died of DCS. I’ve not seen any details.

Missing Cave Diver rescued after 2 days

The description leads me to think "sump" not syphon.

I have zero opinion on SSI's handling of this. Why? I am only seeing/hearing what you're saying and I have no idea of the validity of the information. Also, the ethical standards are a list of items that "may" make the party ineligible for renewal or active status. Also, since you have the...

The real lesson, to me at least, is "Pay a-friggin'-ttention." It sounds like you were going through the motions and not thinking how and what the motions are intended to accomplish. Thinking about how and what the action is intended to accomplish would have resulted in checking the right tank...

Several of these are already the standard for DSD so of no additional value. And requiring a DSD to do what amounts to all the skills for an OW diver would render the DSD program(s) moot. Carl