Alkalinity and Calcium

[sansouci01]

Are these important tests to take in a FOWLR tank ? I have a salt water test kit but these are not included...

 

[Bray84]

Think that if keep the alk level ok will get a better ph reading. I've got same but started adding more rock so can get some corals. Got few different corals growing on some of the new rock I bought and they seem ok at min