Zander_The_RBP;3863648; said:looks good although just throwing this out there bioballs don't have nearly enough surface area to be effective in canisters your better off with a canister media like seachm matrix or ehiem efisubstrat
although you said you will have 3 fx5's ? with that many i dotnt think it would matter what you put in
they r not on a 90g,they r on a 220gknicks791;3868233; said:Don't understand why anyone would need 2 fx5 on a 90.

ya,that is a better deal. its alway good when u can save some money n this hobby.jp80911;3867007; said:nylon pot scrubber is also a very good bio media, provides lots of surface area and very cheap