filtration for 180 gallon tank?

[fishmamma]

Add one AC110 and I think you'll be good to go..

 

[Mastiffman]

Thank you for all of the suggestions. I have decided to go with an FX5 and will take your recommendations for a secondary filter. I feel more comfortable with a secondary filter.

I run two FX5's on my 180gallon Tropheus Tank (in my sig) and it's always clear... BUT, I have one disconected as it's in need of some repair and the tnk still is fine... SO I may just leave it off and use it on the 180gallon that I'm picking up tomorrow....