Aloha Jeff,
Not sure if it is seen as good or bad, but I have been at this so long that the only testing I do is:
Alk and Ca every 2-3 weeks
Mg and I maybe twice/yr
That's it.

As I said above, I add tap water once in a while to bring in trace elements. I also use one of the coral products like Kent Coral-Vite. As a long time coral farmer, I've noticed that coral appearance and behavior tell me a lot. There is more about that in the Reefkeeping Tips below.
Mahalo,
Mark