Please Help!! No3 problem..

Discussion in 'Reef Aquarium Discussion' started by Arw1b, Mar 14, 2019.

  1. Arw1b

    Arw1b New Member

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    Hello guys,

    I have an aquarium sps which run over than 6month..
    From the first month until 5month my spa tank was so great. My no3 is 2-5ppm and my po4 is 0.03-0.5 used salifert test kit.
    And run on the 6 month my no3 become 50ppm and my po4 become 0.03ppm.
    I read many article that using vodka is very good to low down the nitrates. I already apply that with the dosing pump 1ml per 1times.
    Every week i test the nitrates and still same and i add more 1ml every week. And after 7week i dose 7times already. But my no3 still 50ppm and my po4 still 0.03.. And many my sps died .. And after that i cut the dose become 3times in a day.. Because maybe already too much..

    I'm so stress for this problem.. Any one can help? Thanks
     
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  2. ReefGeezer

    ReefGeezer Member

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    How big is your tank? Do I understand correctly that you are dosing 1ml 1 time per day and you have doded 7 times?
     
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  3. geddavis

    geddavis Active Member R2R Secret Santa Build Thread Contributor

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    %50 water change.
    I don't know much about carbon dosing but that sounds like too much
    also before dosing id do more research into what it will do to your tank.
     
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  4. PatW

    PatW Valuable Member

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    Water changes are a brute force method of nutrient export. But they are effective. It is the simplest quick fix.

    I have used chaeto in a refugium with a powerful light effectively for control of nitrates and phosphates. If you try it, you can get the opposite problem of starving your SPS of nitrates and phosphates. I deal with this by dosing nitrates and phosphates. If you try this method, you can go from feast to famine.
     
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  5. SPR1968

    SPR1968 Fish & Coral Addict! R2R Supporter R2R Excellence Award Reef Squad Reef Tank 365 R2R Secret Santa UK Reef Club Member Hospitality Award Build Thread Contributor

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    The simplest way to reduce your nutrient levels is water changes, so for a quick fix do a series of 20% water changes over a few weeks and that will reduce the level.

    But you need to make sure that you use clean 0 TDS RODI water for the saltmix to ensure your not adding nutrients back in.

    As far as carbon dosing (vodka) if your going down that route I would start at a low daily dose, and then increase by 1ml extra per day every week (assuming you haven’t got a nano tank or similar small system) until the nitrate levels starts to fall. If you get any bacterial blooms then back of a little.

    I use Red Sea Nopox personally and it’s very effective at Nitrate control, less so with phosphate

    And welcome to R2R as well it’s great to have you with us!
     
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