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Well, after a lot of issues with Liquivision and their products/support, it is time for a switch. I like the Shearwater products. I want to stay with an OLED computer and need full TMx, 7-10 gasses. What are you guys having good luck with out there?

I found that my Superwing was overkill for diving ITs. We did exactly what you are talking about in the Philippines and it made things so much easier. I ended up with a Rec wing since I was diving a 3mm suit. The picture shows how big the Superwing was. The recwing worked perfectly

I run backmount and I have 2 liftbags and a drift kit in an OMS mount that hangs behind me. When I have a large number of deco/stage bottles I will clip the necks of the empties off behind me on my hip D-Rings.

There is also a courtesy aspect in addition to the risks. If you are diving off of a dive boat with other divers, you need to let the operator know about this (and they will usually not like it) because if there is an accident and they need to recall people, they don't want to have to wait for...

For me, they main drag about diving that deep on OC is the increased deco time (twice as long in some cases). You still have to carry the same amount of deco gas/bottles to cover a rebreather failure at depth but the hang time is rough on OC. 10min at 342 ft got us 1hr deco time. Luckily it...

So true - so true!

I don't think it will hurt to answer the question. I don't get the feeling it is to facilitate a dive to 400fsw... If you assume a 130ft END (equivalent to diving air at 130ft) and a PPO2 of 1.4, You're looking at 11/62 (ish). 11% Oxygen and 62% Helium. There are some good apps that you can...

BTW - There is no such thing as a stupid donut. Unless is is covered in peanuts..... That's just stupid!

That is a strange comment. I agree with them. While a lift bag can certainly be used in an emergency as buoyancy, it should not be your 'go to back-up'. It takes time to deploy the bag and, in some cases, you don't want to take that much time to arrest a negative buoyancy situation. And 3mm...

Regarding the training dives in a lake/quarry. These can be good, controlled environments to hone skills but you definitely need to (time and money allowing of course) get into the ocean environments. The variables that can be presented to you by true ocean environments, even in a recreational...

Confession?

For me - 342 fsw in Playa del Carmen. We had a balance to burn off from a cave course so we decided to do a 100M wall dive to burn it. They only had AL80's for doubles that shortened our bottom time to 10min with 55min of deco - ugh! We saw a lot of jacks and tuna even down there. Ambient...

For me it was Subic Bay, Philippines. We were doing one of our trimix check-out dives and got started late so it was a night dive. At 175fsw the instructor swam off, moving the guideline to the anchor and left the 4 of us students on the wreck. We had to do a free ascent/deco from 175 at...

Holy boredome Batman - is that 53 min at 20 ft? :)

Yeah tell me about it. There are only a couple of shops that have boosters around here. As far as a rebreather and deco, if you're diving 250fsw open circuit on - say 10/50 and deco on 32 and 80 (for arguments sake) your PPO2 drops into the .5 - .8 range throughout parts of the ascent...

If I don't have time to fill myself, back gas can run well over $300 for a couple of sets of doubles and then you have another 50-100 in oxygen for deco gas. This is where the Closed circuit guys really benefit (that and way less deco time!) their gas cost is WAY less. Have I mentioned that...

Dan's group has been out there but I haven't gotteout in the last two weeks due to work. Hoping to get out there a couple of times next week. Helium is pricey when you are open circuit!

Very nice :-)

He was referring to conditions at the bottom of the dam - 250+ feet down.. :D

Yeah Tortouise has some nasty viz. Glad you got out there though. If you can get out to tec island it gets nicer down deep but the shallow stuff is was soupy right now. Dan - how was it below 200 this weekend? I miss Playa del Carmen though - at 330fsw we could see down to the sand at 400...