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  1. Hydra? small, puffy white things on glass

    Tropical Fish Diseases
    Hydra? Algae? small, puffy white things on glass I am lost. Yesterday I noticed my water was cloudy and the surface had some amount of foam, though the water quality is fine and I had just done a water change 4 days ago. I decided to not feed and wait. The tank is cycled, 10 gallons, has been...
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