new pump question

[big d]

I have a 100 gallon fish only tank my rio pump just died and I have a spare that I replaced it with it is not as powerful as the old one it is also a rio the model is 1100 it pumps 325 gallons an hour, is tha enough for my tank? thanks in advance.

 

[broomer5]

If this is your only pump, like for a wet/dry or sump application - personally I think it's a little low of flowrate for a 100 gallon tank.
If I may ask - could you describe your set up in greater detail ?
Filtration ?
Live rock or none ?
Additional powerheads in tank ?
Number and types of fish ?