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Iron(Fe) is highly related to the color performance of aquatic plants. During iron deficiency, new leaves will lose their colour, even yellowing. To achieve a strong color, reduce Nitrogen(N) and Phosphorus (P) (slow growth rate) and increase Potassium(K) (Improve photo-synthesis) to obtain the best color performance.



Tabs are to be dosed directly, please refer to the dosing table. For best color development, use with Nutrient Potassium(K). If deficiency symptoms (chlorosis/yellowing) appeared, double the dosage until the new leaves return to normal.

Iron (Fe) Tabs Dr. Tanks

  • tank(cm)/litres(L)          dose

    <50cm                          1Tab/bi-weekly

    50x30x30cm(45L)        1Tabs/weekly

    60x30x36cm(65L)        1Tabs/weekly

    60x40x40cm(96L)        2Tabs/weekly

    80x40x40cm(128L)      3Tabs/weekly

    90x45x45cm(182L)      4Tabs/weekly

    120x50x50cm(300L)    6Tabs/weekly

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