is there a such thing as over filtering a tank, therefore making it not good?
i was just wondering..might sound dumb but its a sincere question..any feedback would be great..thnx in advanced...btw i have an emp.400 and a fluval 304 runnin together in a 60

i was just wondering..might sound dumb but its a sincere question..any feedback would be great..thnx in advanced...btw i have an emp.400 and a fluval 304 runnin together in a 60
