An often asked question is "what size sump would be best" for my new "X" gallon tank? The typical answer is the bigger the better - more total water volume in the system. Honestly, it's how I would answer the question. But I'm curious if there is a more precise answer? Is there an ideal percentage of display size for the sump? Is there a minimum size for a sump? Or is it truly just to put the largest sump that will fit in your stand? So let's here your philosophy on the proper answer.