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My father had a similar incident with his old school weight belt a few months ago. Fortunately we were just at 30' doing a local get wet dive, but he still shot up when the buckle (same plastic one, same failure) snapped. I should note he learned in the 80s and his gear at that point was just as...

CO2 seems more likely, though we once knew this very large french man who would come and dive after his 12 hour night shift. He would get narced at 18m from a combination of excess weight and extreme exhaustion.

I would say cold water divers are generally more serious and dedicated divers, which may correlate with skill level. but since I have no hard data I cannot say. If you are diving cold water you must spend more money on equipment, take the time to learn how to operate a drysuit (most of the time)...

Well, I would follow all of the above advice, and I would very strongly recommend that you do a few dives with some experienced divers. When I first started I dove exclusively with a club (and my experienced father) and picked up many tips and tricks from the other divers that helped my get...

Back in the day (when my father first started diving) wearing a drysuit was enough. That is, you were not expected to wear a BCD with the dry suit. He has a "tank pack" that essentially is a bp+harness that held the tank only. The only way to control buoyancy was the drysuit.

It the motor is not brushless (or explosion proof) it can produce ozone through electric arcing. Ozone is bad news for polymers like neoprene and nylon.

Sick. Hopefully they will allow people to volunteer and dive in the tanks.

Well, if things go correctly, my father's Uwatec Smart Z failed mid-dive (to 35m) and forced an immediate surface.

Just a note, at 60 to 70' messing up would be bad news. As I learned during a training dive, make sure you have the smb clipped on the correct item (ie not you)

I second the BP&W for all the same reasons. It gives you more options and costs less.

We had a solo tech diver on a boat with us doing wreck penetration. While down I noticed a yellow shape on the bottom. I investigated, noticed it was an oxygen stage and left it alone. One of the older divers in our group did the same (after I had left) and took it, thinking it had fallen of a...

Would this unit be similar to the Dräger Pac® 5500 in cost? I use one at work and would not be able to afford a portable of similar cost.

They are not terrible this summer, I was not bitten the entire weekend about 3 weeks ago. The mosquitoes are brutal though.

Would it be possible to attach some kind of "trailer". Maybe some kind of inflatable. At least then you could tow your gear instead of riding wearing it.

That is my plan for next weekend. :D

I think the largest factors would be a larger profile due to an inflated BC and a shorter kick. Surface tension does not strike me as a major factor as the surface tension bonds are very very weak, so weak that the effect should be negligible. I once did a 500m surface swim to a dive site...

Well, I recently dropped to 45m on EAN28 to see the transom of the forest city in Tobermory. We dropped down, looked, and finished the dive at around 30m continuing slowly up the wreck. It is not uncommon for wrecks to be at 40m plus here. My buddy and I of course dive with redundant air.

Well, you could camp at the provincial park next to Tobermory and dive.

I use an SS plate with an SS STA with my WTX Harness / Hog 32lb wing. It works well. I could probably get away without the STA, but it adds weight and makes the tank rock solid.

I always analyze my tank and my father's tank before each dive. I built a sweet analyzer set-up in a hard case (I built the analyzer as well) so that I can have it on the boat. I once got a top-up on my pony at an unfamiliar shop and found out that they guy filled it with 36%. If I had had to...