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filter problem

  1. Problem with oxygenation?

    Beginner Freshwater Aquarium
    Hello all, Relatively new aquarist- 25L planted tank cycled for 2 weeks before adding fish. Now into week two of fish being in the tank and started noticing that the neons were at the very surface of the water and gasping quite a lot. Have a Ciano CF 40 filter originally with spraybar and...
  2. Brown stuff in my power filter?

    Beginner Freshwater Aquarium
    My water looked a little like "tea" lately, so I check the filter and it was horrendous. The mouth had this brown algae stuff seeping out of the sponge and the water had a milky film on the surface. I can take pictures if needed, but not at the moment. (Phone's dead) The filter is a Whisper...
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