125 gal drilled overflows
Canadaboy, my 180 is drilled at both ends with dual overflows. My overflow is 1.5" and the return is 1". I'm currently using the Mag12 for my return but I am seriously considering moving up to a more powerful model. The return pressure is sufficient for now but greater return flow pressure would be better. My sump is a 55 gal long which sits under the tank in the stand quite nicely. Hope this helps. [img]images/smiles/icon_smile.gif[/img]
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