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algae green brown filter

  1. One filter two kinds of algae....

    Beginner Freshwater Aquarium
    During today's disaster of a water change I noticed that the two outputs on my Marineland biowheel 350 each have algae. What is baffling me is that one output has green and the other brown. Could I put some of the inhabitant snails in there to work on that? Is there something else I could do...
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