replacing eheim 2217 to fx5

  1. s

    santiderek Valued Member Member

    how do i do this process without killing the benificial bacteria
  2. Marie1

    Marie1 Well Known Member Member

    Running them both at the same time for 4 to 6 weeks should do it. Or, take the substrat, or substrat pro, which ever yours came with, out if the 2217 and into the FX5.
  3. Jim

    Jim Well Known Member Member

    You know the FX-5 has been replaced by the FX-6
  4. OP

    santiderek Valued Member Member

    yes but i bought fx5 for 120