Contrary to popular opinion it is possible to get into Deco in the caves of Quiatana Roo. This becomes more apparent once you start extending the limits of available penetration gas. Time at depth is the bigger factor in decompression that depth itself!
We planned the biggest dive I have done on this site! Start in B tunnel and jump to E tunnel. then drop a stage, switch and move forward jumping onto the main line way back in to the Battleship room. This was to be a 75 minute penetration with considerations of eleveated consumption, restrictions, decompression and narcosis... Yes thats right Narcosis! GUE treat O2 as narcotic and after starting to dive Trimix in shallower ranges you start to realise quite what an effect it has on you.
Mayan Blue is a site of massive power cave with jumps off into highly decorated restricted areas. The passages constantly plunge from Fresh to salt water through the Halocline, changing the cave from dark, vacuous primary light sucking fresh layers to an incandescent blue and bleached white layer of light silt and sheer beauty!
SO... The Deco? Our maximum depth was 24m, We spent two and a half hours in a cave! 150 mins! How do you work it out? We use average depths, this enables us to use decompression software to see what our limits are. Also we dive Nitrox within ranges that will optimise available bottom time. through propper planning and training Mike and I worked out or Deco and for the profile achieved and it gave us a 10 minute stop on O2 at 6m. not a long one but it would have been far more if we had not planned and used all optioms available to a diver!
Bring on the next Multi Stage dive!
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