I am interested in this. I mostly deal with nano tanks so I don't need a big 5lb tank and like the paintball tanks. I have a ASA on/off valve paintball co2 system right now and when the tank is at high pressures the bubble rate is very inconsistent and I find myself having to adjust it every hour. Will this system keep the bubble rate constant? Also how does this fit onto a 20oz tank? Do you just screw the nut down?