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cylinder filter

  1. New Planted Tank With New Guppies

    Advanced Freshwater Discussion
    So I Am looking to set up my tank. It is a 20gal tank with an under gravel filter and gravel. I would like to get a cylinder filter. Questions listed below. 1. Should I ditch the under gravel filter? 2. What should I cover the pump inlets with to prevent the fish from getting sucked up against...
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