Question on Filter Medias

[HiGhTiMeZ]

i wanna ask u guys that doesnt use activated carbon that comes with the new ac filters... what do u use in exchange of carbon?
more biomedia? another sponge?

 

[rallysman]

Either biomax or another sponge

 

[big train]

I put scrubbeis in mine u can get a row of 3 no problem

 

[rxracer]

can you use pot scrubbies in place of Ehfi Substrat in an eheim 2028, and will it perform as good. thanks