I'm thinking about doing away with my hang on filter and picking up a sunsun 302. I was wondering what the pros and con of the external filters were I've never had any experience with these, I would be running it in a 55gal tank.
Well canisters offer a much better bio filtration capability but fall short for mechanical filtration compared to most hangon filters. But canisters are almost always quieter.I'm thinking about doing away with my hang on filter and picking up a sunsun 302. I was wondering what the pros and con of the external filters were I've never had any experience with these, I would be running it in a 55gal tank.