This is the sump I'll be getting http://www.fishtanksdirect.com/proflexsumpmodel4.aspx ...what overflow box should I use for it? Will one of these work? http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=18358 What else will I need for this set up? How exactly does everything work? I'm a total noob to this sump/overflow business lol. This is for my 150 gallon tank. If you guys have any other pointers please let me know. Thanks!