Nitrates and Phosphates help

[Reefn34]

I have a 150 gallon mixed reef. For the past month or so my nitrates and phosphates have been reading 0. I know you’re supposed to have a little bit for the corals, but what is the safest and easiest way to bring these to a desired level?

 

[glb]

I’ve used Brightwell Neophos and NeoNitro to bring mine up