Out of these three HOB filter options, which is the best?
Aqueon 55/75
Marineland Penquin 350
Tetra EX 45-70
Trying to cost compare with replaceable filter medias as well.
Tank Info: 55 Gal Topfin with (2) large Oscars, (1) large Parrot Fish (1) large algae eater
Current filter is a Tetra...