The media in our canister filters can be stacked or customized with many different options to suit your aquarium.
Our recommended order of media in these trays from bottom to top is
Bottom Tray – 1 Blue sponge with 1 white filter pad on top of it.
Middle Tray – Carbon with 1 White pad on top of it.
Top Tray – Bio media. Ceramic rings and/or Bio Balls