20 gallon lacking "wow factor"

[Nano]

I think this allows a bit more swimming room too, not to sure what my next coral might be, maybe a single head of frogspawn, and maybe a goby, or dottyback. I havent decided yet.
Parameters
Nitrates 0ppm
Nitrites 0ppm
Amonnia 0ppm
kh 180 \___ Are these ok?
gh 340 /
Salinity 1.0245