i got a 55g acrylic hex i recently set up for freshwater. i'm running a oddysea canister and a hang on mighty max wet/dry or sump. in the hang on im using a penguin 660 as a return pump its seems to work a little too well the water from the syphon comes in too slow. i cant seem to get the syphon going again and how can i get more water flow!!!! can anyone help with my situation????



