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ISE runs an O2 rebreather course.

makes it more likely that something happened that was not diving related. Ie more medical that interfered with his dive plan and led to the oog.

Mike, Can you post you doctored version?

I think air breaks are foolish in CCR. Hbot, Long deco in OC ok, but that does not equal it being good for CCR. personally I just run my dive at 1.2 or lower if it is going to be longer than 4-5 hours. Except in the frigid GL where I’ll run it at 1.3 - but I’m not in the water for more than 90...

I would love to get back in the water. Last dives I did where in March- seems like a lifetime ago. Wiarton and Dave’s bay in tobey would be accessible shore dives. A Niagara river run would be possible. but is it really worth it. There is really no medical back up for even simple non dcs type...

Nice article but it is wrong. The turn volume for the diver with the 85s is not 153 cuff. That is how much they have to reserve. They can only use 77 cu ft. so the other diver can only use 77 cu ft of their 280 - or ~1000psi. they will turn the dive when they reach 2600psi. The diver with...

Packing a jammer style suit for my trip to cocos right now. I’ll wear a board shirt over it on the boat. I like the endurance style suits. Ie nylon. Anything else tends to degrade quickly. have fun in Belize.

A lot of new divers waste gas filling their bcd - if you are properly weighted it should hardly need any air in it. If you are forever adding air to the bcd drop a couple of pounds. to be a better diver you really need to dive regularly- try to get in with a group who are doing training dives...

My JJ did not come with the Mav. It is turning 5 this month. I added it a couple of years ago. I love being able to turn of the adv for deco and for photography. I like the adv on the JJ but found it would fire a little too easily when I didn’t want it to - like taking a picture - or on deco...

I dare you to say that to his face... https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=2ahUKEwipqpiUhsrnAhWMQc0KHTfuCmUQFjADegQIAxAB&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FDonald_Cerrone&usg=AOvVaw0Q4M8ShKd3G-eylwYnJBbP

this is what i used with a few adjustments: Tools Essential: T20 Torx driver for the 10 M4*20 setscrews securing the battery cover and the BOV barrel securing screw (definitely need) #1 Pozidrive screwdriver for BOV collars and MAV (didnt need) 2.5mm Allen key for loosening t-piece grub...

If you dont have a certification that allows decompression diving, I would look at Tulum, Playa Aventuras areas. I used to think the training in Florida was superior but the number of full time cave divers in Mx is actually greater. There is just so much to see there. ie lots of cave - lots of...

a quick search found this:

Truk master banked 16/40 for my trip. So 16/40 for diluent and for bailout. I also carried an 80 of 50%. On the Saratoga with pretty good visibility it was usually left near the radiation measuring station that was put on her. And was close to the mooring line. at 1.3 I was getting an hour of...

So i was CC on my trip - i was using about 6 Cuft of He and 6 cuft ofO2 for a 2 hour dive. At that time He was 6$, and O2 was $2 - about $50/dive. For 18 dives, the bill was $800, plus 250 for sorb and 500 for the marine park fee and i was at 1500/trip. The OC guys were not using He. Air was...

I was in bikini this past June in the truk master. 1/2 the group were on OC. Twin 80s for back gas and 2 stages for deco. While the sand is 170’ these are massive ships. The flight deck of the Saratoga sits at 90’. Most of the cool penetration is between 100’ to 140’. We did Sara 31/2 days. Like...

I love my JJ and have just over 400 hours on it. I have taken it to Truk *2, Bikini, Solomon, HI, Cayman *2, Curacao, Mexico *4, and of course Florida numerous times. Travel with it is possible but it is heavy. Somehow I managed a scooter, the JJ and a camera for the last trip to Bikini and...

Excellent report. I do wonder if there should be a special rule about using video equipment in a cave. Like only dive to 1/4s, only use if you have over 100 cave dives, only use if you dove the cave before. Ideally use video in a team of 3. I have about 100 hours in Mexico caves and over 100...

Her dil pO2 would be 2.0 if she was using 20/20 at 300’ - as soon as she activated her adv it would be high. I get that she could metabolize some of it down but as soon she does she has to replace that loss of loop volume with a high pO2 mix. My experience has been on wrecks and walls that went...

For this dive there really is not much of a helium penalty. whether you have 20/20 or air the deco schedule for the 15 minute bottom time is nearly the same. I still think the high wob due to gas density and the high pO2 at that depth would have led to increased risk of toxing. Even after she...