xray
Aquarium Advice Freak
When I got my fluval 404 it cam with ceramic media (two different shapes). It was not enough to fill all of the compartments, so I went and bought some Bioballs.
My question is, which is better. Should I trash the balls and buy more ceramic or are they good.
My question is, which is better. Should I trash the balls and buy more ceramic or are they good.