Wht is needed for a 180 FOWLR setup

[rdefino]

Now does the return line come into the overflow, then would there be a tube or something that would come out of the overflow and into the tanks water? Is that correct?

 

[Dan F]

Now does the return line come into the overflow, then would there be a tube or something that would come out of the overflow and into the tanks water? Is that correct?

Please post pix. From what you are describing, I think I might have been right about them being two drain lines???

 

[rdefino]

I can't post a pic yet. I haven't picked up the tank yet.