I run the 400W version of the Noma Powerpack from Canadian Tire on my 70G and I'm very happy with it. I just bought an APC UPS from Future Shop yesterday for my nano.
The Noma has run two Koralia's for me for about 6 hours at a stretch without giving any issues. I don't know how long they would continue to run, but I think there were a few hours left still.
Haven't tested the APC but it's the 330W version and I'm hoping it will run my return pump at 45W for a couple hours.
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Mark...
290g Peninsula Display, 425g total volume. Setup Jan 2013.
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