HI I’m starting my prep work for setting up a sump for my 150 gallon aquarium. My overflow box has two bulkheads in it. I have google many different things to try and figure out how to plumb it so it has little to any noise and possibly using one of the bulkheads for an emergency overflow. I can’t seem to find anything that will fit my situation and tank. I am planing on making a new box and weir to acomadate piping.