What do you consider affordable? How much space do you have? This is what I have on my 75g mixed reef. https://www.marinedepot.com/AquaMax...uariums_Reefs-AquaMaxx-UJ00157-FIPSIS-vi.htmlI have a 80 gallon with alot of fish and i am looking for a nice skimmer and a affordable price any ideas ?