Most of you know I'm very new to reefing and am soon to be upgrading from my 8g to my 26 bow front. Someday I may even go up to my 75g!

Anyways I'm going to be adding a sump to the 26 and I need as much in-put as I can get. First is how to add an overflow to the tank. Should it be the total height of the tank? Vents top and bottom? I'm going to look into getting it drilled but I'm not sure anyone around here does it, so lets go with not drilled.

Now about the sump. I'm not exactly sure of total capacity but I do believe it's for tanks from 10-75g's. I'm gonna need to know what size pump, filter media, tubing size, lighting.

Whatever y'all can tell me would be much appreciated.