I bought the exact same tank at a petsmart store closing, tank, stand, light (T5HO) and fluval filter and heater. It is a nice tank, retails 600 bucks I got it for 150. I haven't set it up yet but I am thinking of either drilling it on the back and install an internal overflow box and using the two 1" drain as a return. Hiding the pipes with some live rock. Or I will plug the holes on the bottom and make a spray bar as a return. They are real nice tanks, I curious to see what you are going to do. Another option is building a custom acrylic overflow box around the two existing drains and make a spray bar return.