Media For A Proclear Aqautics Sump Filter?

[l.i. geo]

I Have A 90 Gallon Reef Tank, I Need To Know What Type Of Media To Put In The Filter And Which Way To Set It Up.i Appreciate Any Help I Can Get.

 

[catawaba]

Any bonded filter media on top, and then live rock rubble or bioballs in the main chamber for the water to drip over.
HTH