Bio Balls Help!! Should i replace? NEED HELP!

[ger10]

OK, so i have a 72 gallon bowfront that is 2 months old. my live rock is very cured when cycling and have a wet dry filter. iam wondering SHOULD I REPLACE MY BIO BALLS OR LEAVE IT AS IS? for a little bit longer?

p.s. what fish would you suggest i add next? and any tips to have my oscis host?

72 gallon bowfront
2 175 mh 2 90 actinics
85 pounds of live rock
2 clowns
1 blue hippo
1 BTA
1 frogspan
2 caps
1 red acan
3 different zoos
banded coral
cleaning crew
temp 78.5-80 , i like the natural change in temp l
ph 8.2
amonia 0
nitrate 0
nitrite 10
salinity .24

anything will be helpful thank you