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Reinekii Deficiency

Discussion in 'Aquatic Plant Fertilization' started by MPastora, May 14, 2020.

  1. MPastora

    MPastora New Member

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    Hello!
    I've had a 40G heavily planted tank for over a year now. But reinekii never seem to stay alive. Everything else grows like crazy. If anyone knows what could the problem be I'd appreciate it!
    My tank info:
    Filtration: Canister filter for 90g + 2 hanging cascade filters (over filtered)
    Light: 2 finnex planted+ 24/7 ramping up 3 hours, on max 6 hours, ramps to blue night mode afterwards.
    Ferts:
    Nitrate: 20ppm
    Phosphates: 2ppm
    Potassium: 20ppm
    Seachem trace 1 a week as suggested by brand.
    PH: 6.4 with CO2 on, 7 with CO2 off
    CO2: pressurized on 1 hour before lights, turns off 1 hour before lights. (2 drop checkers yellowish green) fish without problems.
    Gh: 8°
    Kh: 6°
    Substrate: seachem onyx sand
    Water change: 30-50% weekly
    Forgot to mention that I maintain the 20-2-20 NPK throughout the week. Also adding seachem iron and Seachem flourish advanced as suggested 1 a week and Ca mix from my LFS. Also tap water contains traces and Ca with 8GH and 6 KH.

    Main NPK are mixed from salts.

    The reinekii are the only plant showing this kind of deficiency.

    Thanks in advance!

    IMG_20200514_135449.jpg

    IMG_20200514_135440.jpg
     
  2. MPastora

    MPastora New Member

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    Any clues anyone?
     
  3. MPastora

    MPastora New Member

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    Any clue anyone?
     
  4. Koen

    Koen New Member

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    Maybe it will look a bit better if you increase your nitrates to 25 or 30 ppm, that seemed to help for the ARs in my tank (as well as all the other plants).
    But looking closer at the pictures, the most likely culprit is right in the middle of it. Occasionally Amano schrimp actually develop a taste for ARs, especially if there is not too much algae or other food in your tank available. Feeding them some blanched lettuce or zuccini might help to stop them frenzying on your plants.
    I had a healthy AR stem shredded overnight once by Amano's, right at the point I started nailing the lights, ferts and CO2 which got rid of most of the algea and the tank never looked any better!
     
  5. aclaar877

    aclaar877 Junior Poster

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    You might also want to try urea as a nitrate source. I have had AR and AR Mini (which I've grown well before) completely dormant for months in my tank with black sand substrate. After three days of urea dosing they look a lot better - we'll see if it continues. I agree it looks like you have a lot of snail damage. Even when the plants have not been growing, I had been dosing 10-20 ppm a week of KNO3, plus some Osmocote in the substrate. Calibrated test kits showed 25-30 ppm nitrate, but there still could have been some error there. Would even more KNO3 helped? Maybe. But so far the results of using urea are promising.
     
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