Aquarium Upgrade Questions

Discussion in 'Filters and Filtration' started by Joyo15, Jun 17, 2018.

  1. Joyo15

    Joyo15 Valued Member Member

    I recently upgraded my 20g tank to a 55g tank. I moved all of my gravel, the old penguin 100 HOB, and all the deco to the new tank. The new 55g filter is a Eheim pro 4+ canister filter. All have been running for about 2 weeks now. My parameters have been 0,0,40 the whole time. Is my bacteria colony good? When can I remove the HOB safely?
  2. finnipper59

    finnipper59 Well Known Member Member

    Just unplug the HOB and leave it in place and check perameters again in 24 hrs.

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