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As mentioned in most cases you will have very little if any warning in terms of work of breathing. However there should be a big safety margin between common sense and OOA. Even without "gas planning" for the dive you know that the SPG will show a steady pressure reduction. If that's not...

From all I have ever seen and heard of that valve will not be as supplied from the factory. While I have never seen or heard of an actual requirement (CGA, DOT etc.) cylinders with pressures of 3500 PSI and above are always DIN. The best I can call it is an unwritten law. Note that HP cylinders...

I stated with the standard issue cam band buckle on my Sherwood Avid. I had no issue with them. The key is to get them to engage with a good pop when they cam over. This can require varying degrees of wet strap, strap break-in, leverage and strength to apply some pre-load before closure. My wife...

Outright BC failure is not common but the need for attention, especially with the inflater valve is common. Potential failure modes: Loss of buoyancy: 1) Jammed inflater exhaust valve (not common, at least for me) 2) Air cell seam failure/tear (not common) 3) Dump valve failure (not common...

As a molded part they can incorporate a lot of strengthening geometry by machining the features once in the mold. That can make-up for a less robust material choice.

AL80 wall ~1/2" LP72 Wall ~3/16" if I remember right. In any case significantly thinner. Of course the OD is also a little bigger and the bottom is not rounded. + ratings usually don't mean much in my world but to the opposite effect! :(

Absolutely positively YES. Diving with a spouse who is not strong against the surf has caused us to build techniques and teamwork to get in and out safely. The same is true when solo diving with the most important thing being knowing when it's too chalenging to go it alone. The skills us...

The latest news report seems to confirm propeller engagement but remains marginally inconclusive for now. Condolences to family & friends.

What is a Q Strap?

Scuba requires certification to purchase compressed air, get on charters or into certain dive parks. Free diving, skin diving or snorkeling, all variations on the same basic activity are uncontrolled. Some agencies offer worthwhile training. A good mentor can also help you get gong. If you are...

The dive mobile 2005 GMC Savanna thankfully has dumb old brass key. I have it on a string that goes around my neck and in my wetsuit for wet dives. When dry I lash it to a D ring in a pocket. I did dive occasionally from an O8 Subaru Outback that had a valet key that wasn't bothered. We also had...

Based on the last 67 years probably nothing too dramatic. There are bound to be advances in materials and tuning of designs but the fundamentals of open circuit have been stable for a long long time. Rebreathers will continue to evolve and if the economies of scale get there they will become...

Are the treads damaged or are just realizing the amount of salt deposits that are in there? If so vinegar with a toothbrush and a good rinse can work winders. Otherwise, I agree with cutting your losses and just buying a new Thermo Pro. Pete

Well the manufacturer provided it so one would assume it is suitable for use. Personally, when I had one I never used it much preferring the butt dump.I never liked tugging against the hose mount and I feel I have much better control with the butt dump string in my hand. If you are not...

When was it hazy? Before you splash don't worry about a little haze. Moments after you splash condensation will disperse the haze as it promotes sheeting (defogging). I never rinse my baby shampoo, that defeats to application. If the stuff is too goopy for your liking wet the mask a little...

Affordable they are. With a little tool from DSS or some improvising it's usually no more than a quick clean and lube that is needed. At least in my experience the passage of water perhaps more from cleaning that diving eventually dries things up and the button response starts to lag. It's...

Mask for sure. Also your computer if wrist mount. If the diving is intense enough to warrant would be nice to avoid a learning curve(s). If no other gear is a personal security blanket leave it home.

I have never heard of such a thing and I have a collection of old scuba texts on the shelf that I have spent some time in.

I have used my 7mm twice now, 56F for an hour on the last dive and was entirely comfortable. I was using my existing 7mm step-in Bare Elastek hooded vest with it. It seems like a nice trade-up from my 7mm Bare Arctic from 2005 with 300+ dives on it. The first time I used just my Seasoft...

That does not sound right. It sounds like you have a bibbed hood meant to layer under the collar of a wetsuit or the apron of a drysuit neck like a DUI warm neck. On a neoprene neck seal nothing goes between it and your neck. The hood will have no apron an be just long enough to have a short...