If he is doing an external pump, then would also have to drill the holes. I am contemplating my options also. I have an external pump. What about the adhi 60?
I actually have an empty 75Why not do what I did find a used 70 gallon and have baffles cut and silicone them where you want them this way you get exactly what you are looking for and have a nice sized sump fairly cheap.
I actually have an empty 75