ok I want to make a small reugium for the hope of getting a mandrain I have a 60g tank with plenty of copods but to make sure there is enough I want a refugium I want to use a acrylic box 9in across 8 in long and 15 inches high this is all that will fit under my tank but it will be like 5 feet from my sump I was wondering if 2 powerheads would work to transfer water from refugium to sump thanks let me know if im crazy or not or any other ideas thanks Jester