Refugium and sump questions

[mx mr bean]

hey can anyone point me in th direction of refugium plans for a 90 gallon tank. I want the refugium to house bioballs, a protein skimmer a refugium, and a return pump. thanks

 

[barngeatbayman]

why the bioballs? I dont think they are needed with a refugium

 

[costa13]

go check out melevsreef dot com, there is tons of different sump designs on there.
Hope this helps.