I agree that their is no reason for the entry hole to be larger than the size of the tube. A long narrow chamber with the media should be most effective.
__________________
-Steve
Current Tank Info: 72G Bow Display, 45G lookdown frag tank w/250w MH, 40G basement sump / fuge, Iwaki 55RLT, SWC NW 200, Vortech MP40W + Battery Backup, Nova Extreme 6x54 T5
|