Should I add my fish all at once?

[LILPACONOT]

Is adding my fish all at once a good idea? I have a 90 gallon tank with a 110 rated canister filter, and was wondering if it would be smart to do this, since it would reduce aggression and allow them to all choose their tanks at the same time. Let me know your thoughts, thanks have a great day.

 

[LILPACONOT]

Is adding my fish all at once a good idea? I have a 90 gallon tank with a 110 rated canister filter, and was wondering if it would be smart to do this, since it would reduce aggression and allow them to all choose their tanks at the same time. Let me know your thoughts, thanks have a great day

Problem is my filter might not be able to handle it

 

[Onewolf]

It would help to know what "all your fish" are?

 

[PeterC99]

If you can add all your fish at once, then do it. I added Orange Shoulder Tang, Sailfin Tang, and Sohal Tang all at once to existing Foxface in my 90g. They get along great!

 

[Sharp]

Also it would be good to know if the tank has been cycled, and a little backstory. Has it gone through fallow and you are reintroducing? Are they new fish that have been quarantined? Are they eating? etc.

 

[Sharp]

If you can add all your fish at once, then do it. I added Orange Shoulder Tang, Sailfin Tang, and Sohal Tang all at once to existing Foxface in my 90g. They get along great!

This is a good approach to an established tank, one I will be employing for a desjardini sailfin tang and sohal myself in a few months, but if it has not been cycled then the OP might face serious ammonia issues. I think we just need more info.