What’s This Growing In My Tank? Question

Discussion in 'Freshwater Beginners' started by Kerryy, May 24, 2018.

  1. Kerryy

    KerryyNew MemberMember

    Does anyone know what this cobweb/cotton like stuff growing on my driftwood is? It smells pretty bad and has a slimy texture. I’ve taken the driftwood out and tried scrubbing it multiple times but the stuff keeps growing back. I’ve also left it there to see if it goes away on its own but it just gets worse. It also only seems to grow on the driftwood.

    Any ideas on what it is and how to get rid of it?

  2. Z24zorpx4New MemberMember

    That is biofilm growing on the driftwood, it is normal for this to happen with new driftwood as the bacteria are eating the leftover nutrients in the wood. It should go away soon.
  3. Seasoldier

    SeasoldierWell Known MemberMember

    Hi & welcome, what you have there is called bio-film, it's a structure that things like bacteria & diatoms etc. use to support their growth, it's harmless & if you have shrimp in you tank they will snack on it.
  4. Algonquin

    AlgonquinWell Known MemberMember

    Be warned - it can take a while for it to stop... It took a couple of months for mine to stop growing that. I just use a toothbrush to clean it off in the old tank water when I do a water change.
  5. OP

    KerryyNew MemberMember

    Thank you for the helpful replies. Looks like I’ll just have to ride it out until it goes away.

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