I dont know where you live in Canada, but I am from Mississauga, Ont and there are two good supplies of dope and thinners HOBBY HOBBY in Streetsville and Northstar or Military Hobbies in Mississauga.
I'm from Montreal. Another reason for using the 50/50 mix is that I have a 10 year old nephew that wants to help me part time. I personally think it is safer to start him off this way.