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Rotala Macrandra 'mini Type 4' And Rotala Orange Juice Leave Discoloration

Discussion in 'General Plant Topics' started by Lazy999, Oct 26, 2018.

  1. Lazy999

    Lazy999 New Member

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    My rotala macrandra 'mini type 4' and rotala orange juice leave have severe discoloration, not in a good shape. I have no idea what went wrong, here are my spec and dosing regime.

    Can advise me know what went wrong?

    Mine is a 47gallon tank, 90x45x45cm.I using a zetlight zt6400 and chiller.
    light is on 7hrs daily, co2 is on before 2hrs the light turn on and all the way till the light is off.
    I try to achieve an 1.2ph drop.
    Before co2 come on, tank ph is 6.7. After 2hrs of co2 on, ph is 5.5

    I dose weekly
    20ppm k
    7ppm no3
    7ppm Po4
    5ppm Mg
    0.4ppm Fe/traces

    1.jpg

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    4.jpg
     
  2. skija

    skija Lifetime Members
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    Ph drop seems to be fine , I believe you have a flow issue , this means co2 is not distributed well in the tank

    Add a full image of the tank
     
  3. Lazy999

    Lazy999 New Member

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    Here is my full tank pic. Left side lily pipe outlet is linked from my chiller and as for my right side, co2 is linked to the rainbar.

    There is a small powerhead next to the rain bar and a surface skimmer right at the left hand corner.

    IMG_20181029_231128.jpg
     
  4. Lazy999

    Lazy999 New Member

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    One more thing to add, the surface skimmer come with a powerhead, which is blowing the water to the front of the tank.
     
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