Does anyone have any experience with the DGX or Dive Rite dry suit inflator regulators? Are they lower flow in case of a runaway inflator? Does anyone use a spare of something similar to what they use as breathing regs in my case a D6 scribble for maintenance ease. Are there any rule of thumb for how to size a dry suit inflation cylinder for 2 dives up to 130'? DGX has 6,8 and 13 cf tanks. I was leaning towards the 8 or 13 so I wouldn't have to worry about being inefficient inflating my suit while I'm still learning. Any advice, even if tangential, is appreciated.