So far my 55 gallon tank has an all-glass wet dry filter, my coralife super skimmer is sitting int he mddle part of it, how ever i wanto move the skimmer so i could use the middle room as a refusium and place a light on it. the super skimmer can be a hang on the back but i was wondering if anyone had experiance when it hungont he back because if anyhting was to go wrong it can overflow out the colection cup.