Whats A Good Source To Add No3 To A Tank?

Discussion in 'Additives' started by macca_75, Mar 23, 2016.

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  1. macca_75

    macca_75 Member

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    Hey all,

    I've been Vodka dosing and over the course of 6 weeks I have reduced my Nitrates to virtually zero but the phosphates are now starting to climb (Redfield is out of whack).

    So.... How do i add NO3 to my tank?

    Thanks in advance.
  2. Sam Parker

    Sam Parker Moderator

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  3. potatocouch

    potatocouch Member

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    reduce the amount of vodka dosing?
  4. macca_75

    macca_75 Member

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  5. Oceanarium

    Oceanarium Member

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    Hi Macca coincidence I was reading your post whilst you tagged me :p

    I do still use it on all my systems to great effect. I find I need to get it back up to at least 0.5 for the corals like chalice and morphs to grow well, SPS seems to be happy with a lower level. Recommended levels is for 0.03 phos and 3ppm NO3.

    I tend to find it a bit dynamic testing each week I will add more if its below 0.8 and less when it goes over 1ppm. This seems to be a good balance on my tanks. I also tweak the carbon dose each week as well adding more when above 0.04-5 and less when 0.01.
    Last edited: Mar 23, 2016
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  6. macca_75

    macca_75 Member

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    Thansk Pete (aka @Oceanarium ) - definitely the definitive guide I will be sticking to.

    And you mix 500g of the powder to make 5L of solution? On a 8x2x2 should I start dosing at around 3ml per day and see what happens?

    Cheers
  7. Oceanarium

    Oceanarium Member

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    I mix 100g to the ltr, each system I have has a differing consumption (markedly) per day from 6ml per 1000ltrs up to 30ml (Edited not 130 my fat fingers) per 1000ltrs.

    I would start at the 3ml, after a week test and increase by a ml every week if required keeping the carbon dose the same. Till you see NO3 start to build up.

    Taking it slow helps get that balance, between the N and P consumption and limits the chance of overshooting or a bacteria bloom. I do also notice changes in the bacteria types when they are out of balance you can get bacteria bio films etc. So a slow process helps the bacteria populations progress as they may be differing strain / species involved as you move towards the balance.
    Last edited: Mar 23, 2016
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  8. Oceanarium

    Oceanarium Member

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    I should also add a rapid swing in nitrate can upset the corals, gentle swings allow them the time to adapt.

    I see people bump into problems when they decide to make the NO3 from 0 to 3ppm overnight.
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  9. Sam Parker

    Sam Parker Moderator

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    Keen to see/hear how this goes. After cleaning out my sulphur reactor, it is cranking fairly hard and my nitrates are getting lower than I'd like for a mixed reef.

    @macca_75 - might have to swap you some cal/alk/mag/potassium supplement for some nitrate supplement?
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  10. RobbieMVFC

    RobbieMVFC Member

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    Stop doing WC for a bit and add some small amounts of GFO
  11. chimaera

    chimaera enjoy the little things

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    That's what I used when my tank had the same issue. I set up the nitrate solution on my doser and monitored to create a gradual increase. Unfortunately I had to shut the tank down to move before I saw the full result and impact on phosphates.
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  12. macca_75

    macca_75 Member

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    you got it
  13. macca_75

    macca_75 Member

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    the auto wc is keeping everything else really well. I'm going for a more long term solution.
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  14. macca_75

    macca_75 Member

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    3ml per day starting dose - perfect. Thanks.
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