momof6kids
NJRC Member
I won a 150 tank on Ebay and brought it home and am in the process of setting it up.
He had a trickle down filter in the sump, it was filled with BioBalls, also the overflow was filled with BioBalls. What are everyones opinion of these? I am getting conflicting views and want to hear the pros and cons before I use these in my system.
He had a trickle down filter in the sump, it was filled with BioBalls, also the overflow was filled with BioBalls. What are everyones opinion of these? I am getting conflicting views and want to hear the pros and cons before I use these in my system.