What An Earth Is This Question

Discussion in 'Algae' started by will1221, Jul 19, 2019.

  1. will1221

    will1221New MemberMember

    I have this yellow build up that has developed over the previous 2 days all over my aquariums interior[​IMG].
     
  2. kallililly1973

    kallililly1973Well Known MemberMember

    If it’s a newer set up tank it’s most likely diatoms do the spots brush away easily? If so then that’s most likely it
     
  3. Brenden

    BrendenValued MemberMember

    Looks like diatoms.

    Harmless micro-organisms.

    They're common if you have plants or natural decorations in the tank (such as that driftwood). I noticed in the pic you have plants. I have noticed that I NEVER have any diatoms until I decide to buy a plant. Then they emerge. Just take a brush, go in, and scrub it. I noticed you have them growing on your plants too. They will actually eat away your plants over time, so you don't want them on plants. On rocks, wood, not a major problem.
     
  4. OP
    OP
    will1221

    will1221New MemberMember

    I’m doing a. Water change today so before I drain 25% I’ll give it a scrub
     
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