How Long For Bacteria To Colonize Sponge Filter?

  1. j

    jimmy Initiate Member

    srry guys yet i have another question:

    i bought a sponge filter for the QT tank and put it in my main tank... how long will it take for the bacteria to colonize and will this be visable?

  2. G

    Gunnie Well Known Member Member

    I'd give it about 2 weeks.

  3. f

    fletch Member Member

    Saying that, mine took 3 months. As long as a piece of string mate