I am thinking about adding some extra bio media in my emp400 filters.What do you suggest to add
The biomax media which comes with aqua clear
or ceramic rings,bio balls(Comes for marineland canister filters)
or just a bag of gravel or crushed coral would do?.
The biomax media which comes with aqua clear
or ceramic rings,bio balls(Comes for marineland canister filters)
or just a bag of gravel or crushed coral would do?.