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I agree with you that hypercapnia is a serious threat. I was thinking of channeling issues and not changing sorb. I would also agree with you that other mechanical issues may result in hypercapnia. Perhaps I should say that I worry more about oxtox or hypoxia from my admittedly limited...

Without trying to be rude, I would think that hypercapnia would be less of a risk than hypoxia or oxtox. One simple way to avoid would be to choose a scrubber design that prevented channeling such as the radial design of an ouroboros, or a meg radial. The sentinel and o2ptima can also use...

For some reason I was under the impression that most on this board had actually read the plantiff's complaint. If you haven't, the legal writing is really funny. And no, I have never provoked a blue ring. I've only seen them irresponsibly placed in aquariums at a pet store. Luckily nobody...

Oh come on, I'll be the first to admit that I have had some less than poignant and thought-provoking posts on Scubaboard, but they aren't always as bad as those "tell me how great my reg is because I just bought it" posts that show up all the time. I would like my two spare airs with a double...

This was in response to the legal pleadings by Maldives Scuba Diving that indicated all members of scubaboard are target clientele of the company and that posters who "bashed" the company for providing some divers with bad air were hurting their business. The legal pleading is quite funny...

I am a scuba diving enthusiast, however I have never considered myself to be target clientele of Maldives Scuba Diving Pvt. Ltd. I have never had any interest in diving in the Maldives. I also enjoy drinking beer. However I would not consider myself target clientele for a pub in Tokyo.

I would suggest mask snorkel fins as the first thing. Second I would suggest a regulator setup with an spg. I would wait till you get to Hawaii to see what the local dive shops carry and go with one of their brands as they will be able to service your setup easier. While most dive shops can...

oxycheq yellow smb - because I need it. oceanic geo dive computer - needed something that I can wear as a watch on vacation that doubles as a depth guage and timer in case my other computer craps out. miflex 26" blue regulator hose - because I like all my hoses to be blue.

I'd love take a class on in water recompression in the event of an emergency. While I plan my dives to avoid such a situation, it could certanly come in handy in the event of equipment failure in a remote location during deep dives. Interesting article.

I carry on my backplate and regulators. I tell them this is dive gear and no dive knives are included. One TSA agent in San Antonio wanted to swab my backplate and another in Cozumel wanted to double check my gear to ensure no knives. My general rule of thumb is if you think something...

I used to think that nitrox and navigation as well as peak performance buoyancy should be taught in basic open water. I now realize that perhaps I am mistaken. People get into diving for different reasons and stick with it to different degrees. When I took basic nitrox there were people...

To answer the first response, I notice a few more pelagics, black coral and sponges. Mostly I like these dives because I'm not in a big dive group and can focus on what interests me. I've also found some beautiful rock formations in the 150' range on Santa Rosa wall that I missed in the 80'...

I'm going to Cozumel in June and will be doing a couple of decompression dives. I've worked the computer and can do around 170 20 minutes with EAN 50 decompression gas. I may tweak this a bit before I dive, but 170 is my ideal max. Last time I did this, I dove Columbia Deep, Santa Rosa...

The heavier the nobel gas the more narcotic. Helium and I believe Neon are not not narcotic. Argon is at depth but perhaps not at 1 atm. Krypton and Xenon are narcotic at 1 atm and have been used as anesthetic gases. If you choose Radon, you have a whole different problem to worry about...

My backplate and VR3 dive computer get flagged all the time in the X-Ray Machine. I've just gotten to the point that I tell TSA beforehand so they don't freak out. Its worse in some airports than others. Caymans has seen it all before. San Antonio on the other hand was more concerned. I've...

For what it is worth, I tried to go a cheaper route on a harness when I first got my back plate and wing. Here is what you should do: Buy 15 feet of 2" flat nylon weight belt type webbing, a stainless steel weight belt buckle, such as one from oxycheq or dive rite. Get 3 or 4 D rings and...

Left hip: deco tank when in use Left chest: deco tank when in use, SPG (always) and small flashlight Right chest: small flashlight and primary regulator when not in use Right hip: spools

I'm currently a warm water diver although I am hoping to change that somewhat. I've tried on three drysuits in my life and gone diving with the DUI CLX450. The other two that I have tried on in the shop were a pinnacle evolution 2 and some Mares compressed neoprene that I won't even bother...

Help!! I'm taking my family to Cozumel this summer and that includes a 2 year old. Normally I don't think too much about hotels and mostly think about the dive operator when I go there. This time I am thinking about the Wyndham Bay or the Occidental. How are the beaches here? Non-divers...

On my last trip to Cozumel I did a twilight dive with Blue Angel and the rest of my dives with Deep Exposure. Both seemed fine to me. Deep Exposure does technical instruction and would probably teach open water very well. As far as dive sites, palancar reef is probably a good place to...