Here's a link that converts between the different methods of measuring alk, you're in good shape.
http://ozreef.org/library/tables/alk...onversion.html
crabs and reefgeek, I've lived in both cities and the water in Calgary is much cleaner than Edmonton. It doesn't get as cruddy during run off and such either.
Long term an R/O unit is a requirement but there are a lot of people doing simpler setups with tap.