Sorry, should have checked location. I wish I knew more about Canadian sites. But there's got to be a couple megastores that offer flat rate shipping, right? I ordered black sand flourite last time, which was a couple bucks more than the regular, four 15.4lb bags. The total came to i think $96 with shipping ($9). Obviously that isn't an option for you, but if you can find a flat rate site without bulk item fees, you win.