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Get to know the guys at your LDS. I know quite a few who will comp fills if you buy gear, and occasional add-ons, gadgets, etc, and are a very regular customer (go in for something every couple of weeks during the season).

Negligence would be based on an SDI Solo Diver Instructor and the Solo Diver Course. Anyone else's position should not be brought to bear in a lawsuit. The P may try to bring those other organizations into play, but they would not have any bearing on what the instructor did. The instructor can...

Its a good, comfortable BC. Pretty stable, though the big bladder can roll you over if you have too much weight. Too bulky for travelling, though I have flown with it. If you don't need all of the bouyancy and wear less than 10 kilos of weight, I would suggest the Balance. I have about 150 dives...

What kind of internship? Most of the ones I have heard about you either need to be a Pro (Divemaster or higher cert) or a college student. I interned with DAN last summer, they were looking for college students or recent college grads, usually interested in going into a medical field. Also check...

Yes and no. Cabo is on the tip of the Baja penninsula. One side is Sea of Cortez, the other is the Pacific. The diving there is pretty nice and there is at least one liveaboard that stages out of Cabo San Lucas. There are better places to go if you want to see some of the big animals of the Sea...

Does anyone know if pulse oximetry works with a person who has DCS? Do the N2 bubbles interfere with the reading? Patients should be getting O2 anyway, just wondering if anyone knows.

Curt, Where were you in the Bahamas? I know the guys at AUTEC do Blue Hole explorations frequently, or at least did a few years ago.

By setting the PPO2 to a higher number, 1.4 to 1.6, you will have the computer yelling at you a little later. All of the Suunto Nitrox capable computers have the same function. For the rest, it beeps and flashes that you are too deep on a given mix. I found the Suunto calculation to be slightly...

Less than .34 is enough to breath. I have about 25 dives between 0.3 and 0.35. My normal range is 0.35 to 0.45. The formula is: SCR = (1-P2/P1) x Vf/Aa/Tm Where P1 = pressure in psi at beginning of test dive P2 = pressure in psi at end of test dive Vf = actual volume of air in tank...

Its not $50 worth of labor and parts. To do a regular cleaning requires a once over of the tank and valve with a cleaning solution and then a rinse. It takes about 30 minute to dissassemble and reassemble the valve if you are new at it. An experienced tech could do the whole operation in 5...

Actually, that's one of the resons I love wireless internet! :eyebrow:

I have never had a problem. There is a better chance of O-ring extrusion between the valve and first stage when using a yoke. I have seen it occur on the boat with 3000psi fills. As long as you bring extra O-rings, not an issue. Some people would also note that the valve adapter is an extra...

It depends. How much do you want to spend? What is your air consumption? How many dives do you typically do in a series? How much weight do you wear? What are you diving from; shore, boat, etc? The E-series are versatile tanks. The outside should be resistant to rust if properly cared for. I...

The problem is that most divers in Laguna Beach are not from Laguna Beach; that means different elected officials. Most of the students I take there are not even from CA. As to the problem with Lifeguards, I have never been approached, I keep my snorkel in by BC. The only time I have been...

Its probably not CO, you would have felt lousy while on SCUBA, symtoms subside real quick, like a few minutes one you are out of the contaminated area. Had CO poisoning from a car's faulty exhaust about ten years ago. Could be something else in the air, but I would go with cold or flu, just...

It won't really help, since you have to wear weight to offset the positive bouyancy of wetsuit. I would want a little more lift in an emergency, but it would probably be adequate for most dives, now that I think about it. if you use a larger steel tank, it is possible that the BC will not have...

Working in the Bahamas was hard work. 12 hour days and often 7 days a week. Its important to remeber that I would be in the water for less than 2 hours of that on most days. It is certainly not a job where you get to spend lots of time lying in the sand. Lots of time in the bilge of the boat, or...

Neither. It is the amount of positive bouyancy the bladder can lift. If you are over 17 lbs negative underwater this BC will not be able to lift you. This would be unlikely if you are doing tropical diving with a thin wetsuit and not much on a weightbelt. You will have no problem with any single...

i see nothing that says you can't use it with Nitrox. There is nothing inherent in the design that seems to prohibit use with Nitrox. Most companies sell kits so that regs can be brought into oxygen compliance, meaning that it will be safe to use with higher O2 percentages. I would suggest...

I've never heard of any federal law like that. The shop I worked at did accept returns. It is probably something state or local, so we need to know where you are.