You can run a high CYA pool, and just adjust your chlorine levels to compensate. Take a look at the "best guess chlorine chart" linked in my sig. However, I'll have to let Ben answer your question about the bromine.
What type of testing are you doing? We don't find test strips to be reliable--we highly recommend that you get a drop- based kit(see the test kit link in my sig, too). The K-2006 is a good kit that will accurately test most everything you need.
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