Its actually a great portable depth finder though! I did use it to catch fish. But it DOES NOT mark fish #fishing , #boats #boating #customboats #tinyboatnation #jonboatfishing looking into overflow boxes, one that I will drill a hole top center of tank to the sump any suggestions? first time setting up a sump and a little overwhelmed. : r ReefTank Fighting Big Fish On a Fly Rod California Fly Fisher I made a powerbox for my hub shelter this upcoming season. Got help wiring it up from my BIL. I can charge the battery from the binding posts without opening it up. :