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Fe2+ & Fe3+

Discussion in 'Aquatic Plant Fertilization' started by dannyfish, Sep 3, 2010.

  1. dannyfish

    dannyfish Prolific Poster

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    May i know which Fe2+ & Fe3+ is better for plant intake?

    i have ferrous gluconate powder & seachem iron, which 1 to dose better for plant?
     
  2. Tom Barr

    Tom Barr Founder
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    I do not think it matters in terms of overall plant growth, the energy required is minimal for this change relative the the total Fe requirement of the whole plant.
    0.05% of the plant vs say 40-50% of the plant for Carbon from CO2.........which would you predict is far more critical to energy demands for acquisition???

    The Seachem and Fe Gluc are the same products..........

    Regards,
    Tom Barr
     
  3. Biollante

    Biollante Lifetime Charter Member
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    Both Are Ferrous

    Hi,

    I am pretty-sure Seachem iron is ferrous, Fe2+. http://www.seachem.com/Products/product_pages/FlourishIron.html.

    As I understand it (always dangerous :(), ferrous iron, Fe2+ is the directly usable form, for plants. The problem is Fe2+ is also less stable, needs to be dosed more frequently and is more likely to be adversely affected by water conditions, alkalinity in particular. :)

    I know there have been some good discussions around here on the subject.

    Biollante
     
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