I live in Guelph, there are some stores around, not in town but a few if you're willing to drive 30 or so minutes!
GTA here (Toronto Island)
Incredible Aquarium is in London. Awesome shop!
i live in cambridge...kw area.... i use living aquarium on bishop street. frags, fish, plankton, fw, aquaponics. father and son team...i'll be checking out abd soon. thanks