What is this growing in my canister filter

Discussion in 'Planted Tank Equipment' started by vossie001, Oct 20, 2019.

  1. vossie001
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    vossie001 Noob

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    i opened my filter to clean today and found this growing on the inside walls.
    any idea what it is.
    is it good or bad?

    20191020_101856.jpg
     
  2. rsa
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    rsa Noob

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  3. tyronegenade
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    tyronegenade Specialist

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    colonial bryozoan:
     
    Hendre likes this.
  4. Hendre
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    Hendre Plant menace

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    Can one culture these! Have been super interested for a long time
     
  5. heliophyla
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    heliophyla Noob

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    That is so interesting.
     

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