Noob question:

[krg]

What are the benefits to using a powerhead? Currently I'm only using a Rena cannister filter and I get decent water-flow from that. I'm thinking of adding a Koralia Powerhead but I'm curious..what are the benefits?? I guess I should mention that I only have a little bit of LR in my tank, as well as two small fish. A Scarlett Clownfish, and a Blue Damsel. And I keep them in a 77ga tank. Thanks for reading!! Take care everyone!!
Kennan