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Hey Geoff, sounds like a super trip. Thanks for providing the write-up. Those tuna must have been amazing. It's hard to believe that they can survive in Japanese water without becoming sashimi. Do you have the impression that outside of Golden Week you could get more diving in per day...

Thomas and Eriko did a terrific job organizing this trip. Typical for JUE/DIR Japan, we dove like fiends - in seven days in Mexico I logged 24 hours of bottom time in the caves. We visited 11 different caves: Grand Cenote Chac Mool Nohoch Na Chich Taj Mahal Ponderosa Minotauro Car Wash...

Slightly different perspective - I have a 5mm full suit that is realtively comfortable down to the mid 60s, and I have dove it during the summer in places like Florida and Okinawa and not been too hot in the water. Could I dive a lighter suit? Sure, some of those dives I could have just worn a...

Portland, CT, just across the river from Middletown. More broadly, the Hartford area.

Do you have your certs in order up through advanced deep air? If not, there is no way you are ready for an oxygen clean snorkel. After a few grand in plastic cards...er, further instruction, then you'll be ready for a cleaning package, which will cover mask, gloves, and BC, in addition to the...

Crushed Neoprene. Basically the same stuff as your CF 200. Though I swear by them, I have always been a little nervous about the blue and orange gloves around wrecks. I snapped up a pair of the CN gloves as soon as they came out specifically for that application. I think it would be hard to...

On drinking before diving, you're right, it is a dehydration risk (not to mention imparing you mentally and physically. On after-dive drinking, sorry, you're wrong. There are two refereed academic papers on this. One found no impact on DCS from drinking after diving, the other found a...

Well, that's how deep the "basin" is, but how many hundred feet back might it go? Telford and Peacock are both pretty shallow...

Cave diving is one of the most training-intensive diving activities there is. There are numerous techniques, protocols, rules, etc. that a properly trained diver masters on their way to certification. These include line protocols, proper swimming technique to avoid damaging the cave or...

Wow. Cool at some level, and maybe I don't really understand what they're doing but it also seems to me like one of the most reckless things I have ever seen anyone do.

18 and in a rebreather? Have you ever considered adopting? :D

Yeah, I'd rather go in a car crash than run out of air, lost in a cave or a wreck.

Also to help verify you have the right reg. After verifying the bottle is the right bottle, watching the gauge while taking the first breath you will see the needle drop to zero. Then you can turn on the valve and be sure you are breathing the right reg/gas. This becomes especially helpful...

Thanks TeddyDiver. Puerto Rico would be excellent for logistics, but my understanding is the diving isn't that great unless you travel fairly far from San Juan. Happy to be eductated if this is not right.

I should have mentioned, they want to go before May or so. I was going to recommend Bermuda, but they want warmer water. Thanks for the ideas so far.

Since you would be aware it was happening, and probably struggling against it, my bet is you would over-exert (trying like the dickens to kick up) to the point of getting a CO2 narc, inducing panic, and bringing on irrational behavior like spitting out your reg. Bottom line, you would either...

I am a PADI and NAUI instructor. I have three people to take diving - one needing all four OW checkout dives, one needing two, and one certified but infrequent diver who I have never seen in the water. I am looking to make this a long weekend. Requirements - Easy travel from New York...

Can it come with a molded-in "Six pack"? I think as a public service you should limit the sizes in which you produce it, as Divedoggie implies above.

Fascinating stories. I had the impression that with their intelligence and "capabiliites," (watching them in Blue Planet hunting seals at the beach and as a pack pursuing and killing a whale in the open ocean) if we were on their menu, we would know about it. It makes me wonder if it is...

After seeing footage in Blue Planet, and reading about orcas ganging up to kill a great white shark in The Devil's Teeth, I was wondering... Are there any documented cases of orcas attacking humans? I'm not scared of sharks, but these creatures could give me pause.