50% Water change at 2 weeks not 1

Discussion in 'Aquarium Fert Dosing' started by Jamess, 31 Oct 2008.

  1. Jamess

    Jamess Member

    15 Sep 2008
    Hey guys. i have just bought a rio 180 and am planning on using E.I on it however. For 2 weeks i will be away on holiday with my parents. For that 2 weeks i the water wont be changed but the fish will still be fed by our neighbour. what will happen if the tank is not does for 2 weeks after being set up for around 10 months on E.I and what will happen if the water is left for 2 weeks not 1like normal?
  2. JamesM

    JamesM Member

    17 Apr 2008
    The BIG End, South Wales
    I think you're asking for disaster, especially if you don't reduce your lighting. Clive is your man for help with this as I know his neighbour let him down on dosing when he was away...
  3. aaronnorth

    aaronnorth Member

    19 Feb 2008
    worksop, nottinghamshire
    the plants will suffer very badly and start to die and you will get algae issues due to low nutrient levels.

    if you could get some small tubs and put the daily dosage (or whatever you dose) into those tubs and label them Monday, Tuesday etc, that might help?

    or, if you buy something like TPN+ and dose that at about 10ml a day.
  4. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    11 Jul 2007
    Chicago, USA
    For two weeks I would shut down all lighting and CO2, in effect performing a kind of blackout. I wouldn't trust a layperson with dosing, or even feeding, really so I would only have them feed twice a week or so. In any case keep only ambient lighting and non-CO2 and the plants will decline only slightly which is the lesser of evils. Once you get back turn on the CO2 do a massive water change and resume dosing.


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