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    dive planning @ 300' cont.from D&T

    Yep. 62 CF BG 17 CF 32% 15 CF 80% DecoPlanner with 20/80 GF...36 min of deco starting at 160 ft. Plenty of extra gas. Since you don't mention AL, I assume you have a buddy - so no issues I see. Rather extrordinary SAC though - .4 - not many honest people would use that...mine is .6...
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    PNG trip planning- finding a (budget) liveaboard or resort?

    Try Mike Ball Dive Expeditions. I dove them on the GBR and it was fantastic. I know they had an operation out of PNG but am not sure if they still do. First Class and for a reasonable price.
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    Drop weights

    You can also consider floating the empties to the surface or clipping off nearby while on deco.
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    Why carry mask backwards at surface?

    Since this IS the "Hogarthian Diving" forum, the answer should be appropriately biased and everyone is way overanalyzing it... It is worn backward because Bill "Hogarth" Main does it that way. It usually is because he forgot to put it on the right way, and typically ends up that way post...
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    Ongoing discussion of Ratio Deco

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    How deep is the silt?

    Thus my point in my previous post that WE as divers have the biggest impact on caves - once suspended the "silts" all go downstream - the longer suspended stuff like the clays go further - an so it becomes suspension time versus flow rate...it makes dives later on easier, but the original cave...
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    How deep is the silt?

    I recently dove with a local long time cave diver in Madison Blue. We went through Potters Delight and Rocky Horror and on back a ways. It was my first time in the system and he filled me in before and after the dive on the history of the system and how it has changed over time...I remember...
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    My first Solo Dive

    You asked - it was about dive #180 - went 1100 feet back into a North FL cave - I am fully cave certified. The mindset I had was that at any time I could find myself without a buddy back in a cave and wanted to know I really could deal with it. It was a very relaxing dive. I noticed I was...
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    Manifold question - what does 200 bar vs. 300 bar mean?

    Sorry, missed the link...lol - looks like salesmen got into the game. I wouldn't stand too close with only a few threads engaged under full pressure - might get real interesting. Speaking of bars - hmm, now that sounds like a good idea.
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    Manifold question - what does 200 bar vs. 300 bar mean?

    The term "bar" is measure of pressure equal to 1 atmosphere or 14.7psi - in Europe they only talk bar - also in weather forecasts - have a look at the "barametric" pressure...always around 1000mbar = 1 bar. So for us divers, a 200 bar valve would be rated for 2,940 psi (not what you want for...
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