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Moving From External Filter To Sump???

Discussion in 'Reefs' started by gozzy, Nov 14, 2017.

  1. gozzy

    gozzy Registered

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    Hi,

    I've had my 90 litre tank for 2 years now which has been running with an external filter containing nitrate/phosphate reducing granules, filter sponge and a small amount of live rock.

    I've recently bought a Red Sea 170 and am planning to by a protein skimmer and just run that initially. Will I be ok to just put what I have in the external filter into the sump without causing any issues?

    I think the Red Sea 170 holds 130 litres in the main tank and I wont be adding anything new fish/coral wise until its all settled down so shouldn't affect the equilibrium too much.

    Thanks in advance - A happy new sump owner :aaaaa:
     
  2. doug_amanda

    doug_amanda Admin Staff Member

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    That's pretty much what I did when I swapped from a filter to a sump and had no problems
     
    gozzy likes this.
  3. gozzy

    gozzy Registered

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    Excellent, thanks :)
     
  4. jim_fitz

    jim_fitz Admin Staff Member

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    Or you could put new / different media in the sump and run them side by side for a while, then switch the external off
     
    gozzy likes this.
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