No remove it carefully, leaving it in probably wont damage anything but it could get stuck.
The sizes 9 oz and all the way up to 20 oz can be used for paintball gun. Some of the paintball guns are supposed to be used by the larger tanks. So the size of tank depends on your paintball gun.
It is recommended that you remove the air tank, as it isn't good to keep your gun pressurized at all times, it is unnecessary wear on o-rings and also regulators.
No I went 4 hours straight on just a 9oz. tank
A compressed C02 tank or High Pressure Air tank propels the paintball.
Where the air tank or co2 tank normally attaches
you need Co2 to fire any paintball gun, it is what physically moves the ball out of the barrel.
your local paintball field. Or you can purchase a scuba tank and adapter to fill the paintball tank with and every once in a while fill the scuba tank up if you live like out in the middle of nowhere
Take it to an airsmith or paintball tech.
No.
No, paintball co2 is much higher pressure.
There is no such thing as a "CA" tank.
All guns leak a little bit when you put Co2 in the gun. its normal