Jim
It will take some time for the system to deplete the reserve nutrient in your tank & then your corals will start to color up .
Increased PE is because of the feeding of the corals with the Mulm/bacterial planktoon.
You will get there just give it some time my friend.
Ed as Jim mentioned pay albert a visit he is running a system @ the store & he is a Zeo guru
,If I am not sure about something I call AL