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My personal opinion is a canister filter does a better job. There is no bypass the water has to pass through the media. It also allows for more media options, carbon, phosphate reducer , nitrate reducer, ceramic rings, anything you want to use in it. The RenaIII has three baskets in it, it flows 350 gallons per hr. The Emperor flows 400 GPH, but has no options for extra media, and allows bypass, as it just has filter cartridges in it. These are just my personal opinions, you will have to decide which is best for your setup. I am located in Gladwin, it is near the Saginaw Bay City area. I am not sure how far Dearborn is from here. My email is dave020656@yahoo.com let me know what you decide, and thank you for your interest.