well im not sure what type yet i just wanted some opinions i was thinkn about a mixture as gr8karma stated but im not sure so i want 2 hear every1s thoughts on it thanx 4 all input
ceramic bio has more surface area but will clog easily if the mechanical filtration is not good. IMO if its a canister do ceramic bio-media. And if its a sump do scrubbies in the bio chamber, ceramic bio under the bio chamber and in between the baffles and bio-balls in the pump chamber floating. So all 3. And yes my sump is busy and gets down.