K, im gonna get rif of my can filter and going with a sump.
I have a 60 gal FOWLR + LS, 1 porcy puffer and 1 bursa trigger both 3-4 inches. Aqua C remora skimmer and powerheads
MY LFS said that i did NOT "NEED" bio balls in my sump because i have biological filteration with my LR + LS,
IS he...