A little sps help please

[Proteus]

I was given this frag a week ago. It was nice blue tips light purple base. The color is not brown but dull, yet to have polyp extension. I don't know the spieces so I did not have info. All other sps is doing great

It's 10" deep
Radion at 80% @14k

Po4- undtectable
No3- undtectable

Alk- 7
Cal- 450
Mg- 1320
Salinity- 1.026
Temp-78

Mp10 at 70% lagoon

Prodibio
Pohl vitalizer
Sponge power
Amino acid
Pols xtra