Scuba Forum > Another question about tanks
#142
Hollywoodivers.com - 11/28/2009 12:29 AM
High PSI. Because you can still fill them to Low Pressure if you want and get the same amount of volume. A high psi 100 filled to 3442 psi will have 100 cu ft of gas....but, fill it to only 2640 like a Low pressure and you’ll have 80 cu ft.