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I put it to you that not everyone diving a manifold will notice a leak so at some point someone is going to lose ALL their gas. That same individual diving independants should still have 25% of their gas ideally (that's if they only breathe down a tank half way before switching over). Plenty to get home alive with. Also, if you are going to be diving swing bottles, you are already carrying independants and switching reg's and monitoring several seperate systems. If one more puts you over the edge than you shouldn't have anything more than a snorkel in your mouth. I am not against manifolds, but this BS about independants is something else. There are all types of diving and the "perfect" cave configuration doesn't work in all of them. And what is best is not always the only thing that will work well. Mark Welzel ---------- From: Jim Cobb 1. The diver fucking up. 2. A hose bursts or reg fails. 3. A manifold fails. On number one I have seen many many times (yours truly included). On number two I have seen a dozen or so times. On number three never. Never have I seen or heard of a catastrophic manifold failure. So with independents in the most likley (#1) scenario, the diver screws up his/her gas management and is dead. With manifolds this won't happen. In the second most likley scenario the independent diver immediately looses 50% or more of the available air supply, maybe you're dead, maybe not. Maybe you will get away with being one bent motherfucker, assuming you don't freak out and panic. With a manifold the only gas you loose is how long it takes you to shut the valve. <snip>
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