Bderick67 Bronze Tier VIP MFK Member Aug 18, 2006 16,813 72 857 Colorado Oct 6, 2007 #11 You would have much more surface area for bacteria by using ceramic rings instead of bioballs. You could however put a pump driven "bubble wand" in the bottom of the filter and then use bio balls.
You would have much more surface area for bacteria by using ceramic rings instead of bioballs. You could however put a pump driven "bubble wand" in the bottom of the filter and then use bio balls.
