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.
Take it to an airsmith or paintball tech.
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.
You shouldn't be playing paintball if you can't figure this out on your own. Alright?
A compressed C02 tank or High Pressure Air tank propels the paintball.
Where the air tank or co2 tank normally attaches
No remove it carefully, leaving it in probably wont damage anything but it could get stuck.
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
unscrew the tank, this will vent any co2 that is in the marker out the asa
You cant, the CO2 that is in the marker is vented out when you take the tank off.
No.
No, paintball co2 is much higher pressure.
All guns leak a little bit when you put Co2 in the gun. its normal