Enough Filtration??

[OscarCichlid]

I am going to change one of my 30 gallon tanks into a salt tank soon. For Filtration i already have a Bio-Wheel 330 and i am going to add An Aquaclear 300. Will 630 GPH be enough filtration?

 

[Lateral Line]

I think you'll get a better answer in the Marine Forum.