this place has it
http://www.fishchemical.com/Products...2937.Item.html
But I think you have to have a business to order it in for you and not to sure if you can get it shipped to Canada (although it says they ship to 14 countries).
I won't feel so go shipping it to my friend in the States and trying to bring a 1 kilo bag of white power across the border.
Cheers,
Vic