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EI Nitrates

Discussion in 'Aquatic Plant Fertilization' started by janboyz, Jul 17, 2017.

  1. janboyz

    janboyz New Member

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    Hi All

    Just started on EI after reading all the good stuff.

    60x30x36cm tank with CO2 and 1/2 filled with buces.

    I travel 1week to 10days at a go and so was initially looking at a weekly low light dose.

    Initially plagued with GSA and looking at EI to solve

    PH 6.4-5.5 during 7hr photoperiod
    KNO3 5%solution 20ml ( legally available )
    PotassiumPhosphate 0.11g
    PotassiumSulphate 1.4g
    MgSulphate 3g

    Day1 20ml KNO3 bottomed out in 24hr
    Day 2 20ml KNO3 bottomed out again in 24hrs
    Day 3 just added another 20ml KNO3

    Is this normal? Should I continue to daily dose?

    Any tips appreciated

    J
    [​IMG]

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  2. Dkoi

    Dkoi New Member

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    Hi,
    If you're going to follow the EI dosing it's everyday alternating macros and micros, followed by a 50% water change at the end of the week. That resets parameters & you repeat. It takes a bit of tweaking, but it is very beneficial in the long run . More info needed about your parameters and your lighting. You need to strike a balance between c02, lighting & ferts. I'm sure lots of people here will give you some good advice . Nice looking set-up too!

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  3. rajkm

    rajkm Article Editor
    Staff Member Lifetime Member Article Editor

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    First you need to find how many ppm is that dose. You don't have many fast growers to bottom out if you are dosing enough.
     
  4. janboyz

    janboyz New Member

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    Thanks for the quick reply. Left out crucial info

    KNO3 5%solution: 10ppm
    KH2PO4: 1ppm
    K2SO4: 10ppm
    MgSO4: 3ppm

    The above was planned for a weekly dose

    Lights: Chihiros Aquasky601: 70%

    @Dkoi: thanks for the compliment, to alternate between micros and macros won't be possible, looks like I need to get a doser.



    I don't have test kits for the other nutrients as I was overly excited and jumped straight in.



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  5. janboyz

    janboyz New Member

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    I seriously suspect that buces are nutrient suckers.

    Buces seems happy with 30% pearling, haven't seen this before.

    Considering to lower lights and CO2 by a notch

    J

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  6. Dkoi

    Dkoi New Member

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    Ya that's the thing with EI dosing. It's an all or nothing kinda plan !
    The idea behind it is to estimate the needs of your plants & dose really heavy all week, and by doing a large water change at the end of the week everything is set to zero again. I use Seachem liquid ferts in my tank. Mon, Wed & Fri. I dose 12 ml. of each Macros.On Tues, Thurs & Sat.I dose 5 ml each Micros. On Sunday I do 50% water change. My aquarium holds approximately 30 gallons of water.
    MACROS : Nitrogen, Phosphorus & Potassium
    MICROS : Seachem Flourish, Iron & Seachem Advance.
    It took a while for me to add so much fertilizer, however without my Nitrate level was always too low, resulting in excess algae & slow plant growth. Here's my tank after 6 months.[​IMG]

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  7. janboyz

    janboyz New Member

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    Nice tank Dkoi

    Based on my initial reads, I was hoping for a once a week EI routine but now seems impossible to dose so much nitrates in one go!

    Correct me if I am wrong but the theory is to ALWAYS have enough nutrients in the column and not let it bottom out to create imbalance right??



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  8. Dkoi

    Dkoi New Member

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    Thank you. Yes, the best way to ensure proper levels is to dose everyday. I have got my dosing to the point where I don't have to keep checking N03 , K, P . levels anymore. I know that my Nitrate is consistently @ 25 ppm, and that makes my plants happy. You can get away with weekly dosing, but only in a low tech, no C02 or intense lighting set-up. If you really want to focus on luxurious plant growth, then daily EI dosing is the only sure way.

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