Co2 Cylinder Testing

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Hey all,

I am about to make to big leap into kegging and have been lucky enough to get my hands on a 4kg CO2 cylinder from a friend for next to nothing. :beerbang:

I have tried to make sense of the markings, and from what I can tell the unit was manufactured in 10/2003, therefore due for re-testing in 10/13 (is that right?).

Before I throw 4kg of highly-compressed gas into it, I thought it prudent to get it hydro-tested and re-stamped.

I have done a few searches in the forums, and a couple of people have mentioned going to extinguisher places for testing and refills, but has anyone in Melbourne had to go through this? and if so, can anyone recommend anywhere?