Does the Aquarium Co-Op CO2 regulator work with CO2 paintball cylinders?
No, the Aquarium Co-Op regulator is not intended for use with paintball tanks. They work with standard CO2 cylinder tanks that have the male thread size CGA320.
For more information, see the Aquarium Co-Op two-stage regulator, as well as our full article on CO2 systems for high tech planted tanks.