I will research the nut and bolts of the system as soon as I know the specifics on what I need to shot for as far as water parameters.
Thanks for the book recommendation!
Good stuff in the book but I would go with a moving bed bioreactor (mbbr) made out of a 55 gallon plastic drum, mb3 media, and a 9 inch membrane diffuser connected to a small linear air pump vs. the rotating bio contact filter (RBC) in the book. The RBC is more difficult to build and more expensive. An outstanding filter though.