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Thread: How to grow Alternanthera reineckii 'mini' to exhibit more red color?

  1. #1
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    How to grow Alternanthera reineckii 'mini' to exhibit more red color?

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    My AR mini is only exhibiting a pinkish red(magenta) color on the underside of its leaves but the side that faces the lights is a brownish bronze color. I notice the leaves are growing. What seems to be lacking? My HC is pearling and there are fine CO2 mist circulating in my tank during photo period. My tank information is as below. Please advise. TIA.


    Tank Dimension: 31x31x36cm (OF 34L)
    Soil: ADA Amazonia Soil (3L)
    Filter System: Internal Overflow System.
    Plants: Downoi, Staurogyne Repens, Rotala species, Pogostemon erectus, Hemianthus Glomeratus, Lysimachia Nummularia 'Aurea', HC Cuba as foreground carpet.
    Light Period: 10hrs.
    CO2 delivery system: ANS in-tank atomizer
    CO2 injection rate: 31/min -> ~ 0.5 bps
    Fauna: 8xGreen Shrimps, 1 Octocinclus, 3 ruby tetra, 2 Corydorus Hastatus, 5 Furcatus.
    Air Pump only turn on during lights off period.
    pH Reading: 6.0
    kH Reading: 3
    GH Reading: 5
    NH3/NH4+: 0.5 ppm (mg/L)
    Nitrite: 0.003 (mg/L)
    Nitrate: 10 (mg/L)

    Fertilizer Dosage
    Day Seachem Fertilizer ml
    Daily Excel 0.7
    Daily Iron 0.7
    1,6 Flourish 0.6
    1,4 Nitrogen 0.4
    1,4 Phosphorous 0.9
    3,5 Potassium 1.1
    2,4 Trace 1.7

  2. #2
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    Re: How to grow Alternanthera reineckii 'mini' to exhibit more red color?

    There are supposedly 3 ways/things to look out for:

    1) Decrease Nitrates in your system (aka dose less nitrates)
    2) Increase Iron dosage
    3) Check your lights. Are they strong enough?

    One other way:
    Buy ADA ECA. Supposedly very very effective
    Holy is the Lord, God Almighty ! The Earth is filled with His Glory !
    90 x 50 x 50 cm tank: Eheim 2217; ANS CO2 Solenoid with 60mm intense bazooka; Zetlight 6400; Teco 500 Chiller; Borneo Wild Steel inlet/outlet
    Ferts: Dry Mixture/Dr Mallicks. Temp: 26 degrees Substrate: ADA Amazonia

  3. #3
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    Re: How to grow Alternanthera reineckii 'mini' to exhibit more red color?

    My light System is Green Element EVO12 (6x3W LED). I think should be sufficient. I'll try doubling my Iron dosage and see what happens.

  4. #4
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    Re: How to grow Alternanthera reineckii 'mini' to exhibit more red color?

    You don't need nitrate limitation to bring out the red in AR mini; good CO2, lighting, ferts. A richer substrate seems to help; I seem to see more issues with it in loose grain stuff like eco-complete etc. Good parameters for a sustained period helps as it reacts more slowly to changing parameters

  5. #5
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    Re: How to grow Alternanthera reineckii 'mini' to exhibit more red color?

    I doubt a rich substrate helps. In any way, if you want a sure fire method, use ada eca
    Holy is the Lord, God Almighty ! The Earth is filled with His Glory !
    90 x 50 x 50 cm tank: Eheim 2217; ANS CO2 Solenoid with 60mm intense bazooka; Zetlight 6400; Teco 500 Chiller; Borneo Wild Steel inlet/outlet
    Ferts: Dry Mixture/Dr Mallicks. Temp: 26 degrees Substrate: ADA Amazonia

  6. #6
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    Re: How to grow Alternanthera reineckii 'mini' to exhibit more red color?

    Perhaps there are redder ones out there, but this is without ECA....


  7. #7
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    Re: How to grow Alternanthera reineckii 'mini' to exhibit more red color?

    I think your light could be one limiting factor

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