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Strip it, clean it an be done with it. Nothing will be easier and more effective to maintain than bare aluminum. Paint with NEVER remain perfect and in those imperfections corrosives will lurk. A plastic putty knife works great with the Zip Strip. It will soon wear to the radius of the...

I'll be watching for you on "Shark Tank".

Is it safe with nitrox?

Next time you are diving make some observations. You will find that being above or behind the leader are the worst places. This forces the leader to make distracting gyrations to make periodic visual contact. The result is essentially solo diving, you can only look back so often. In other words...

While possible, don't count on the shop to have the REE on file. Sometimes you need to contact the manufacturer with your cylinder markings to get the value and provide documentation to the shop. I had to do that for a Faber of mine. With time knowledge and testing resources you can even work it...

The small bubbles warrant some explanation first. Some inflater hoses have a pattern of perforations in the outer jacket. This layer provides physical protection for the layers that contain the air pressure. They often run a series of perforations in this outer layer. The propose being so in the...

Congratulations on becoming divers! Your post has a lot of signs of needing to work on buddy skills which is entirely normal as novice divers. Step 1 IMO is leave the camera at home and focus on being a tight buddy pair. By swimming nearly abreast with the designated leader at the time leading...

The hot dipped galvanized coating creates properties that confound a standard hydro static test and can lead to an unwarranted failure. To get around this PST prescribed a rounding procedure that pressurizes the cylinder then relaxes it before the actual hydro static test. This is roughly...

Passion is a beautiful thing. Mary that with talent and knowledge and good stuff happens.

The concept of a Buddy Line does exist. it can range from a line held, wrist loops or even clipped to the BCDs. While some see it as extra security it ultimately comes to be seen as more risk than assistance. Unless it's tightly managed it will be drifting at a different depth potentially...

I am so sorry to hear this. I always had the greatest respect for Lynn in my years as a moderator and over the last decade here as a scuba diver. Her recognition of my posts was always a source of pride. She will be missed here on SB where I know she was an inspiration and role model to many...

I have been on Atenolol (a beta blocker) longer than I have been diving. HTZ had the BP under control but my heart rate was up hence the beta blocker. HTZ was discontinued and it's be 25mg of Atenolol for the better part of 20 years now. I share most of dloftings observations. I would have to...

That could be VERY significant. Pete

The presently positive results at this time indicate an above average SB participant pool or a bunch of liars.

A low pressure cylinder only attains the stated capacity when it has the + rating. Lacking the + it is more like 65CF when filled to the stamped service pressure. Be sure to explicitly specify that they calculate for the + endorsement, it is seldom offered automatically. I will reiterate to...

For the vast majority of recreational dives that are usually more or less reciprocal there is no need other than each diver setting the appropriate turn pressure and signalling the team when one diver hits the number. Following up after seeing post 22 I guess that's planning.

The material can be handy for arts and crafts if it does not reek of pee. Other than that it's rubbish.

It does vary widely with the individual and conditioning. I'm in Maine, for me a drysuit becomes very desirable at 50F (10C) or when it's no fun to be wet topside. If you are someplace milder then less tolerance is likely. Pete

In reading your first paragraph about buoyancy I sense you have some gaps in the fundamental understanding of buoyancy control. Until that is corrected nothing about the topic is going to make sense. With that understanding it will all be apparent. The one time in your dive when you are apt to...

You're heading for a wardrobe, period. For a low end of 14C (57F) I'd go with a nice 7mm set with a 2nd layer on the core. A full suit and hooded step-in vest is my preference, see here. For my liking you are well within wetsuit territory. You can try that same 7mm full suit in warmer water...