external filter outlet

[chunmak]

where shoul i put the outlet to my filter it's a rana IV2( the external one i might be an XP2)

Please don't just read this

 

[CFC]

With the water going into the tank is a good start


Seriously though position the inlet at the oppisit end to the outlet.

 

[Lateral Line]

If you are not injecting CO2, position the outlet so that it moves the surface water around.