john bunsenburner wrote:Me, being a curious nerd, once watched how they refilled our schools expired chemical fire extinguisher. What the guy did he had these co2 cartidges and just connected them out sides, there was a little shhhh sound and then he dis conected it. If my memory is correct that is, but why dont you jsut use an old bulk tank i got 7 of them lieing around and have no use fore them and they have normal theads, ask in an aquarium store.
I have no idea where to find a tank. It has to hold at least 200 psi and be small and lite enough.