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I agree with you. I think the whole caustic thing was from the days when lithium, or some other non-water tolerant material was the only game in town. I'm pretty sure the USN used mostly lithium (someone correct me), so I think they had good reason to fear the "cocktail". However, I think Sodasorb and Sofnolime and other similar stuff is so benign that the "caustic cocktail" fear can be pretty--much laid to rest. That's not saing that a total loop flood is no big deal - wet scrubber won't work right so in the rare event of a major flood, you'd still have to bail on OC. But I don't think you have to worry as much about the "caustic" part. Rich On Mon, 22 Jul 1996 heyydude@pi*.co* wrote: > Since rebreathers are becoming the hot topic on this board, and folks are > talking about "Caustic Cocktails" - I thought I'd throw in my two cents... > > First, since I wanna dive with a full face mask, I have tried a couple. In > the process, I have flooded my canister with sea water and pool water on > more than one occasion. (I've now found the ultimate combination - the AGA > mask with silicone lube to seal against my manly beard). > > NEVER have I got a "Caustic Cocktail" that everyone is wailing about. My > unit (the BioMarine CCR-155) handles accidental water flooding so well, > that I would have to intentionally flood water through the thing to get any > to come out of the intake hose, like maybe putting my garden hose in the > exhaust side, and letting it run for a while... > > In fact, every time I have had a major flood, the unit continues to perform > perfectly, I hardly noticed that I had got water into the system. If it > weren't for the Kogel valves bubbling in my DSV I wouldn't have known at > all. > > I don't know how the Cis Lunar handles this, but it sounds like Rich is > pretty happy with his. He must be, since he is going to start using > Lithium - if water touches that stuff, the unit will explode, sending the > diver and all his rare undocumented fish flying like Superman over the > reef... > > While this is a sight that might bring a smile to the faces of Dick King > and all the BioMarine divers, we'd still hate to see it happen since us > rebreather dudes got to stick together... > > The only "Caustic" you're going to get with a rebreather is "Caustic > Comments" if you show up wearing an Odessey, or try to dive one in a cave > next to Geo. and his boys... > > Later. > > Kevin > HeyyDude > -- > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > Send subscription/archive requests to `techdiver-request@terra.net'. > Richard Pyle deepreef@bi*.bi*.ha*.or* ******************************************************************* "WHATEVER happens to you when you willingly go underwater is COMPLETELY and ENTIRELY your own responsibility! If you cannot accept this responsibility, stay out of the water!" *******************************************************************
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