Probubly not, if your going to have big fish that means big poo. so whats the max. size tank it can filter, and how big is the tank that its filtering.
I have 2 filters 300 gph each on my 55g I think that's around 100-150 gallon filtration Try to get another filter of similar size or sightly smaller, I usually feel more comfortable if I over filter My 20g long has a huge sponge filter, box filter, and a HOB 10g power filter on it, and I have a 30 gallon with 2 aquaclear 30's and an aquaclear 300 on it