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what is the best iron to use for aquatic plant ?

Discussion in 'Are you new to aquatic plants? Start here' started by urb77, Oct 25, 2016.

  1. urb77

    urb77 Junior Poster

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    What type of iron most suitable plants?


    Please advise- thanks


    Haim
     
  2. Dennis Singh

    Dennis Singh SynKing!

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    Ferrous gluconate?
     
  3. scottward

    scottward Guru Class Expert

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    Depends on your kh, gluconate for low kh, EDTA I think for less than 4 degrees, DTPA for kh above that.
     
  4. skija

    skija Lifetime Members
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    Hi can you elaborate more this with examples ? I'm very interested in this , i recently switched from Chelated Traces to Easy Life Profito Ferro and i see improvements and i wonder why , my Kh is 5


    Thanks
     
  5. urb77

    urb77 Junior Poster

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    I think PH have more effect on iron absorption in plants


    what do you think?
     
  6. rajkm

    rajkm Article Editor
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    Chelates are only efficient within specific PH ranges.


    http://www.smart-fertilizer.com/articles/iron


    The below like also shows the strength of EDTA for non Fe sources.


    https://www.akzonobel.com/micronutrients/products/product_stability/


    Plants I read make like Ferrous Iron over Ferric, but can consume both. Chelates keep Iron in Ferric form but plants have compounds to break the chelates to make metals available.


    You will need to read/research the ingredients within Easy Life to know their source.


    Seachem advertises that their Iron and Excel converts Ferric to Ferrous state.


    Lots of variables but I essentially try to keep my PH within the acceptable range of the chelates I use. My PH at night never climbs 6.9 and I use DTPA, EDTA and gluconate.
     
  7. urb77

    urb77 Junior Poster

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    thank you Rajkm.
     
  8. Zeus

    Zeus Lifetime Members
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    Was thinking abut this myself too ? its all about the dissociation constant of the type of iron source being used OFC


    Cheers Guys :D
     
  9. Adam Edmond

    Adam Edmond Junior Poster

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    I would advise you to use dry macros, but liquid Sea chem micros, always add extra Flourish Iron in addition to the Flourish. Flourish uses ferrous iron, which has fewer atomic bonds, and easier for the plants to break it down and use. Many of the dry ferts use ch elated iron, which has an extra bond. You will notice good results with this.
     
  10. rajkm

    rajkm Article Editor
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    Flourish and Flourish Iron use gluconate which is available to plants for short duration because it gets absorbed quite quickly, not sure how much of it precipitates out. That's why using a mix of chelated and gluconate is better for Fe availability over the duration.
     
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