Sorry to inform you "You are Wrong".:scratchchreefman said:it is my understanding that if both options r avail. in sump tends to be more effective. but as surprising as it may seem, i have been known to be wrong.
Thank you.cali_reef said:Sorry to inform you "You are Wrong".:scratchch
Figure out what fits in your application and form a list of possible skimmers, then look them up in the skimmer thread and ask people for their experience on your choice of skimmers.