a rebreather company called Grand Bleu---they have made a >> system for use by far less skilled divers (people more like advanced >> recreational divers), and made it safe by not putting it out till it was >> ready, and then limiting its use to recreactional depths with conservative >> total bottom time built in....Its users can not mix their own gas---the >> tanks are like a modular pack that is removed and replaced with new tanks >> filled with the factory specified mix. An couple of hour's work and some pipe fittings should take care of that should these units ever make it to the American market - I'm told they take rules much more seriously over there than we do. Does anyone know more about this unit? Someone mentioned these units being used extensively as rentals, where the modular refill system might be ideal. But given the fuss and muss of zorb and mix, and the simplicity/safety of air for rec diving, one has to wonder why bother. Just to get rid of the bubbles?
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