sponge filter

  1. 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. Gunnie Well Known Member Member

    I'd give it about 2 weeks.

  3. fletch Member Member

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