Aug 1, 2009 #1 C crusch Aquarium Advice Apprentice Joined Jul 23, 2009 Messages 48 Do you prefer a bio wheel system over a bio filter system and why?
Aug 1, 2009 #2 mgamer20o0 Aquarium Advice Addict Joined Dec 13, 2007 Messages 5,987 Location so cali bio filter system since it has more media area for the most part.