Can you use any type of external filters on a fluval 250litres tank or does it as to be a fluval filter?

[Colin hd]

Can you use any type of external filters on a fluval 250litres tank or does it as to be a fluval filter?

 

[PheonixKingZ]

No, it does not have to be a FLUVAL filter. Even if it is a specific model with a built in filter, you can use a sponge or similar filter.

 

[Lajos_Detari]

You can use any filters that you want as long as it can be fitted into your tank.