It is always good to bring the water sample into a store for them to test.
This would help determine if your kit is faulty or not.
btw, Are there any good LFS in Vancouver that carry quality exotic fish and lots of plants?
75 Gal, 4.6 WPG MH 10 hour, pressurize co2 /w controller, Fluval 404, ph 6.8
Mike's Canadian Aquatic Plant Page
A Canadian's Plant Traders website