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  1. power heads and undergravel filters

    Beginner Freshwater Aquarium
    I am starting up a 55 gallon tank, and am curious as to how an undergravel filter might work. I am going to have a powerhead running anyway, and figured I might give it a shot. I also plan on using a HOB filter. The more filtration the better, right! Does anyone use UG Filters anymore? Any...
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