ScubaGadget - The Deep Background on Scuba

Brackets and mounts for pony bottles or (redundant air systems) range from simple hook-on bags to complex and often expensive bracket systems. Some are simply nylon or canvas bags that hang on to your main tank and flop around. On the other end of the spectrum are the ones the require you to mount brackets [...]

Vance Harlow’s book “Oxygen Hacker’s Companion” (Airspeed Press) speaks of nitrox and gas mixing as a modern day dark art. In the introduction he claims that “dive shops and gas suppliers are both well aware of this mystique, often as not seem to enjoy their role as initiates of a discipline which is shrouded in [...]