Ive been BMing for a year and a half and had no issues of any kind, I've been on dives that range from 60' to 130'. Both SM and BM have the same amount of air. example: I used BM Steel 100's 3442 PSI. Now convert thoses to SM, you still have 3442psi. Now the one issue I have with BM is you blow a HP hose, 1. it will takes 15 min. to drain one tank, plenty of time to shut down the side that blew the HP hose. and shut down the Isolator Valve. 2. reaching for those Kobs are a pain in my shoulder. (wish I never went BM) In my own words SM is way easyer than BM. example: 1. Valves are in front of your face (you blow a HP 6"/9" hose shut it down in sec.) 2. Being Cavern Cert. don't have to worry about your valve(s) hitting the ceiling of the cavern. Been there done that. I'm makeing the switch to SM because of 1.old back issues and artritis in my neck. 2. I can now dive with two steel 100 tanks and a 40cu ft. pony on my dive buddies smalllll boats. (they need Bigger Boats). Ok I think im done rambling.
PS stop me if I'm wrong, but in cave diving shouldn't you have a bail out bottle at the entrance of a cave (just in case) You blow a HP Hose, shut down that tank, you abort the dive, now when you reach the entrance of the cave you grab your bail out bottle. (safty) :?
