Wow, do you know where I can find the materials for this in Australia?
I'm in OZ, and I'm in the process of trying this/getting the bits together. My first try wasn't very successful as I went "cheap" on the oxy action, only getting normal nappy soaker, and I did it in like 30+ degree heat. Anyway, I'm gonna give it another go. So, please take the below with a "grain of salt" as I haven't tried these exact ingredients yet.
I got the hydrogen peroxide (3%) from a local chemist, and the (second lot
) of Coles Oxy Active from Coles, same too with the Arrowroot powder. I found a UV globe at Bunnings the other day, but not quite the right fitting, so I need to keep looking - apparentely hydroponic equipment suppliers will have UV globes. Hope this helps
