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I dive almost exclusively in a threesome because I usually dive with two of my teenaged sons. A threesome consisting of dad and two brothers has a different dynamic than a team of three adults or 2 familiar buddies and one stranger. The dad/two brothers unit is probably more cohesive that any...

The 500 psi back in the boat is not a really bad idea as someone suggested as long as you understand that it applies to certain circumstances. (But it so happens those circumstances make up 90% of the diving that new OW divers should be doing.) Any divers i've talked to are taught the rule of...

If by chance, in 10-15 ft of water what with all the excitement and trying to clear the mask, retrieve the reg, etc, your spouse might have swallowed a couple good gulps of air, then the resulting gas pains as the bubble works its way through the system might indeed be described as a bad pain in...

I agree it might be a good idea to be divemastered for your first ocean dive but why not open the wallet just a little more and rather than simply have a DM take you to the ocean, have an instructor do the peak performance bouyancy specialty with you in the ocean. That would be a great way not...

You aren't doing it correctly... you forgot one important step and are experiencing the consequences. At the start of the dive with a full tank of air, use the procedure you describe (adjust to just float at eye-level) to get very near neutral bouyancy, THEN ADD 5 LBS. Because the 80 cu ft...

I'm going to be in Niagra Falls on business in october and thought I might try to get in a little diving there weekend before. Any of you Great-Lakers know any operators that run regular trips in the Buffalo/Niagra Falls area at this time of year?

I'm surprised that nobody asked this yet but could you have been a little seasick? Lethargy and yawning are some of the earliest signs of motion sickness. You might have been slightly motion-sick, dehydrated, overexposed to the sun, fatigued or some combination of the above. Being only "a...

I will be in Niagra Falls on business this October. Are there dive opportunities nearby?

Re: predive exercise I think it is a real mistake to try to translate military research in predive exercise to civilian sports diving. The military personnel used in the french study cited by CHip104 and other military studies are in excellent physical condition unlike many sport divers...

The existence of private certification agencies and the generally-recognized requirement to obtain certification protects the sport of diving from government regulation. Other posters alluded to this above but none have put it this plainly. All the way up into the '70's you could walk into...

I gotta go pee... Left forearm held horizontally in front of you as if throwing a block. Right fist above arm with first two fingers extenden downwards, slightly crossed as if legs held tight together. Now dance fingers to left and right on forearm as if waiting too long in line for...

I would propose a different solution that worked quite well for me... Note that the original poster lives near cold/dark/deep diving, not tropical or temperate. The prospect of getting a rig for that sort of diving new for <800 is not very good. One might easily spend that much just for the...

Or, look at getting a nikon coolpix camera and a housign from www.fantasea.com Nikon digi cams are pretty darn good and fantasea housings are remarkably low-priced. I'm sure there are several combos well within your $800 range.

If you are both of "average" shape gou can get an off-the rack suit at your LDS and that is a good way to go. However nothing beats a custom fit. I would recommend one of the on-line custom wetsuit providers mentoned above and would add www.scubal.com to the list (they have reasonable...

Oh, I get it now.

I think this description of two modes of diving communication is right on the money and I feel it would have been good to hear such a clear presentation in my basic training. The continuous communication mode is obviously the most desirable especially under any less-than-optimum conditions...

Sorry I am late in posting. Rustyrig is exactly right about calculating your SW weighting from you FW weighting but you can only make this calculation if 1) as rustyrig says, you know the exact weight of yourself and your equipment or if 2) as I say if you know the specific gravity of yourself...

Water doesn't float but it doesn't sink either. If you have a little air in your BC and you let some water into in to BC (even a lot of water) without letting any air out, you bouyancy should be unaffected. The additional volume of the water will add to your drag and the additional mass...

I agree with the majority of the of the responders and am shocked to hear of the treatment you were given. If I were you I would cut and paste your original post into an email and send it to Don Foster's at dfd@candw.ky (as well as carnival cruise). I think the proprietor would be very...

I have used quattros and didn't like them. Not enough whoosh for your push and not very stable. I now have a pair of Atomic Aquatics split fins (which reviewer have rated nearly the same as Showbear's Apollo Biofins). Both of these are excellent fins especially for the small kick you...