I have the Vevor 5L mini keg and I'd like to lose the CO2 cartridge and mini regulator and connect it instead to a 5 lbs CO2 tank with regulator. I need help with the connectors. It looks like all of the regulators have the same hose barb so I guess I connect a hose there using a hose clamp? And on the mini keg I will need an adapter of some kind where I removed the mini reg? Does anyone know what I need? I measure the threaded male fitting as 10cm OD and 5cm ID (Or is it 1/4" ID). Can I screw on a ball lock connector?