Any idea what this is?

Discussion in 'Freshwater Beginners' started by SmilingJocker, Jul 5, 2016.

  1. SmilingJockerValued MemberMember

    ImageUploadedByFish Lore Aquarium Fish Forum1467761373.457824.jpg
    Saw this on my sponge filter today..
    Does anyone know what this could be?
  2. vivelafishValued MemberMember

    Looks a bit like bubble algae though I'm not positive. :animal0028:
  3. SmilingJockerValued MemberMember

    Ok. Thanks.

    Arent bubble algae found in saltwater systems?
    Last edited by a moderator: Jul 6, 2016
  4. AquaphobiaFishlore LegendMember

    Is there algae growing on the surface of the sponge? Looks to me like air bubbles trapped under an algae mat.
  5. SmilingJockerValued MemberMember

    There is. It's smooth, black and slimy. The bubbles were forming under the algae somehow... :/
  6. DoubleDutchFishlore LegendMember

  7. SmilingJockerValued MemberMember

    I think that might be it. Thanks!

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