Try this place, they are reputable. Bad news is that Taylor kits cost more in Canada than the US because Taylor has given exclusive master distributor rights to Lowry and Associates in Ontario and they are the ones that set Canadian prices!
The link I gave you probably has among the best prices you will find in Canada and, FWIW, the owner of that site is an active member on this forum and is extremely knowledgeable on water testing.
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