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Sidemount is practical in sump diving (low space), in search and recovery diving including ladder entry (balance on the ladder), anything that requires hauling or pulling or carrying or sawing stuff under water as it lets you bend your back, and so on. It's also lovely for underwater acrobatics...

True This is untrue as a non - hard hat diver does not have that surface connection. The pressure inside the suit is constant and it cannot escape to the surface. The hose however, which goes to the surface from a helmet will let all pressure out. The diver is thus crushed and fed up the hose...

began to experience drysuit squeeze which does not happen during descent - unless, of course, you were carrying exorbitant amounts of weight, too much for the drysuits physical volume and the BCD to compensate for (this must have been an user error, or else you would be dead) This is actually...

As a sidemount diver you will enjoy your freedom. You have your harness, your regs, and stuff. You go diving wherever you want. No staff, no hassle. You need to get the cylinders filled of course, but you own them, allright? Be it AL80 or smaller European 7L 232 bar steels or something else...

A friend of mine suffered a catastrophic drysuit failure in such a temperature. He had to swim 20 meters (60 feet) out of the mine and 30 meters (90 feet) up to the surface. He says it was not easy. If your drysuit would fail 20 minutes from shore in 35 F water, I would assume you dead unless a...

Pay attention to your fingers and toes. I do use white Hestra Quallofil liners and dry gloves (three finger mittens) for long dives. Any ordinary gloves I have tried have failed. There is no need for that canvas or for any wind stopper fabric. Just the fibre with the insulating air inside...

Jackets often have unnecessary layers to stop the wind or to provide a durable surface. You only need the insulation. Air volume, that is. It could be fiber or it could be feather, but the latter does not like moisture. Moisture (condensed or otherwise) is pretty much unavoidable. I have worn...

I went caving. My first ever caving trip. On that trip I was taken three times freediving through sump 1 in a cave. Water was ice cold. Visibility was zero. The ceiling was low. The dive was shorter than what it felt. My diving equipment consisted of technical undergarments, fleece, a cordura...

Returning with 0 bar tanks is a near death experience. It is not pleasant. The thought will haunt you for years. That's why.

I would apply the rule of thirds for bottom gas. I would also have separate gas for the mandatory decompression stops and ascent time required for the longest possible bottom time. So, let's assume that instead of gas sharing you have muscle cramps and you need 3/3 of your gas at the bottom...

I have this horse collar BCD from the 1980's and it is still working. These things have a few o-rings that need to get replaced. And a spring perhaps, if it would fail (?)

Some people are in a hurry. They will miss many details. Diving is not about speed. Diving with a buddy only, or hiring a private dive guide, can make dives more relaxed. The rest, you know, is industry - with resources (people), products (performed dives), profit, etc.

In Europe we have this 10½ pound steel back plate. https://www.deepstop.de/en/backplates/1130-heser-backplate-long.html See above. You could also carry a 300 bar (~300 atm) steel tank. That would help you a lot.

True. You will become familiar with the basic principles. It also drastically affects the buoyancy change per foot of water in the shallows. Maintaining neutral buoyancy at shallow depth with thick undergarments (or a lot of free air) becomes much more difficult. And please remember that...

Good manual! Yes, the free air volume can become a problem (or a fun challenge... it depends on how you look at life). Air does provide good insulation, but if it is all in one place and nowhere else, then it does not help. I just hate shrink wrapping myself. Just a preference. Choose yours, and...

You need to train with all those undergarments and woollen socks and clumsy gloves and all. You can do it on the course, or you can do it later, but it will takes a few dozen dives to become proficient. Lots of undergarments mean a lot of air and hence great changes in buoyancy Less...

2x 12/232 steels for cold water drysuit diving at depth for fun 2x 7/232 steels for cold water drysuit diving at shallow depth for work 1x 7/200 steel for no-mount fun or deco gasses or just for extra gas 1x AL80 for no-mount fun or deco gasses European cylinder sizes where the first number...

I will tell you a big secret. All commercially available regulators will deliver adequate air. Some will be big, some small, some black, some silver, some heavy, some light (and expensive). So many options. Even the historical ones do work in most cases. Just make sure you can service the reg or...

Btw, is it possible to download the divelogs from that BT to a computer?

Why Florida? You have plenty of water in Georgia. I don't know about the visibility, but hey, there will be life in the water. Only if you attach the pressure sensor to the rental gear (possibly removing the analog SPG temporarily first). Totally possible, but what a hassle! Using an analog...