i setting up a new tank its 125 gallon. i got 2silver arowana and clown knife. i don't know which kind of filter would suit my fish more a hang on or a canister. u someone give me some advice about both filter thanks.
Although you will obviously need a bigger tank for those fish in the future, it is always best to go with mutiple filters, preferably of multiple types.
They are suggesting with the term "multiple filters" that you do not only go with a canister.. But HOB's as well.. Hence havin multiple filters and multiple types.
So you would have in a multiple filter setting a set up that went somethign like: