Originally Posted by biljas

Thks Bro for the info.....so it means the top tray should be filled with fine media to trap the smallest particles and the bottom one is the one that receives the dirty water first.

Mine is 5 tray type.

Inlet : Covered by sponge to act as pre-filter.
Bottomest tray: Bio Sponge on top followed by Jap Mat
2nd tray from bottom: Ceramic Rings on top, Jap Mat at the bottom
3rd tray from bottom: Ceramic Rings on top Jap Mat at the bottom
4th tray from bottom: Bio Home
Top tray: Filter wool.


Is this arrangement ok or is there a better configuration.

Thks