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You didn't say whether you were wearing a suit, a belt, or what kind of BC. Try to avoid the leg weights. If no suit and an aluminum tank, try a weight belt with six pounds of lead. This should cause you to inject a small amount of air into the vest, and the counter balance should hold you upright.

Never heard of it. TrueTexan, the question you ask is quite complicated. Until the early 70's most divers did not use BC's even though, in 1957, USD briefly offered a small CO2 life vest, today commonly called "horsecollar". There was little market for it however. The only other option for...

A class in one of the arcane eastern arts might well be of benefit. You know the kind, where a practitioner camps on a picturesque seacoast and goes through a series of postures and controlled breathing. Your problem appears to be mental and chemical. The classes will help with the former...

You need a reg which can be serviced worldwide. I'd recommend the Scubapro MK16/S600 with R380 octo. Get DIN and Yoke fittings. Oceanic and Genesis market nice gauges. The Datamax pro plus is a good pick. Get the Scubapro frameless or Cressi Big eye. Fins are optional but get the best fit with...

Wheezy, can we assume that you are having dilation headaches? Does the pain seem to focus on the temples? This sort of thing can be chemical in nature. People who are withdrawing from caffeine and nicotine get headaches. Stimulants like nicotine and caffeine can cause constriction of the...

The aquamaster two hose reg was fitted with a 1/4" oxygen nut for attachment of hooka hose. This was fed by a regulated supply from the service. I doubt that setup could be used confortably below 30 feet unless the supply pressure was stepped up. The famous Teddy Tucker of Bermuda used a rig...

Tex, if it feels good, do it. Developing a confident attitude toward breath holding doesn't seem to have a down side for divers. Moreover, if a meditative state can be achieved it could promote stress relief. Lung capacity or "strong lungs" has traditionally been tied to aerobic activity like...

I never fail to be in awe at the ability of this simple device, the Cousteau Gagnan regulator, to not only supply air on demand, but also to provide the air at pressures which are exactly compensated for water depth. Think about it, if the demand valve's compensation were off by more than a tiny...

Yes, they did a pretty good job of responding to that bizarre post..... bygones. However, I saw no direct explanation offered to Larry as to the variations of breathing effort experienced by the diver. As we know from basic SCUBA the sensory node for water pressure is the regulator 2nd stage...

It happens. I've noticed it after taking a fall while waterskiing. Climb on board and as soon as the head tilts forward a small stream of water pours from the nose.

Here's a shock, the RN still uses the inverted tank configuration. Of course, it's too simple and efficient to be commercially viable.

Was there a product recall on the defective S600 second stages?

Rick, that number sounds high. It is probably based on the internal bore size of the SP flow through piston. This piston bore is larger than the internal bore of many tank valves and is more of an advertising concept than anything. A more realistic number would be about 800 ltrs per minute for a...

Seems you need to clear the junk in the middle ear. I don't know what else can be done but to check for infection and adjust or maintain treatment based on the follow up exam. Your E tube is probably flexing a bit when you swallow which is drawing a partial vacuum and raising some small...

The black O rings in yoke valves which have been exposed to the sun, or to oxygen, develop small cracks and become rotten after a couple years. When this happens the ring will leak. However, the white silicone O ring, although it will turn yellow, doesn't seem to deteriorate. It also appears to...

Leisurepro lists the following Atomic fin. What does the "D" mean? TIA ATOMIC SPLIT FINS BLACK (D) MD

Gorji, Yes, it is expensive. If every diver had the money and motivation to fill tanks then we would see a lot more of this. Reasons for doing so are as diverse as the divers themselves. In my case, it was the hassle factor. No need to make a run to a distant dive shop with inconvenient hours or...

No more US Divers, just Aqualung.

The Alpha is one of the few low end regs that is worth owning. It is highly rated by various testers, even in side by side in water tests with other brands. A price of $270 sounds high for this excellent but inexpensive reg. You can get the deluxe Delta 3 adjustable reg for that price. The CDX...

Yo, are you confused more, or less? I feel the same way. Look, the ATX is the newer, smaller second stage. The TX is the older, bigger second stage. The mechanicals and breathing are similar. These can be mated to any first stage, especially an Apeks. The DST is a turret, ("T" is for...