yeah harvey norman or some pharmacies do it, about €20 to swap the empty for full.
i have an aarke, find it very good. a gas can lasts about a month and i have 2 cans on the go.
he seems to be whacked out on something for sure. and the saddest thing is they don't even seem to be good drugs. you'd hope with that kind of cash he'd be gettting the primo stuff. just seems to be wiring him in a bad way.