Need some help setting up a 60 gallon saltwater

[ernie.figgy]

Got a 60 gallon build in sump with return pump, protein skimmer, heater, and wavemaker. What else do I need before I purchase the water and sand and rocks

 

[Reefing Madness]

Water tests, Nitrate, Ammonia, Nitrite, Phosphates.
Refractometer
Thermometer
Lighting