ocean clear filter

[boot525]

300 gal fish only tank
90 gal sump
protein skimmer
ocean clear canister filter
2" substrate
about 250lbs live rock
1 x koralia magnum 6 circulation pump powerhead
1 x koralia magnum 7 circulation pump powerhead
ultraviolet sterilizer light

my question is
whats the best stuff i could put to fill up
the ocean clear filter?
right now i got,
activated carbon, poly filter, bio balls, 1 liter seachem phosguard phoshate remover

someone told me that bio balls are no good and i should get rid of them
they'll get clogged and produce nitrates

[Chaotic Reefer4u]

Yes get rid of the bioballs!

[boot525]

and i just keep all thats in there right now
don't add anything
just remove bio-balls
and how long before i change the media in there

[boot525]

help
anybody
do i remove only the bio balls
and leave everything the way that it is or do i add anything or remove anything
it is aggressive fish only tank

[boot525]

Someone told me to put bio pellets in my
Ocean clear canister filter
But someone else told not to cause it will clump up in
There, he said I could only use it in a reactor
And that its not worther it in a fish only tank