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-   -   How to use 12% FeEDTA for Hougland solution ? (http://www.hydroponicsonline.com/forums/showthread.php?t=3739)

Vicky G 10-05-2017 09:46 AM

How to use 12% FeEDTA for Hougland solution ?
 
Hi. I am trying to prepare Hougland solution for hydroponics.

Hougland solution specifies :

Make one litre of Iron Chelate containing 10.4 gm EDTA.2Na ; 7.8 gm Iron Sulfate Heptahydrate ; 56.1 gm KOH. Then use 7 ml of this Iron Chelate solution in 1 litre of Hougland solution.

Instead, I wish to use 12% Iron Chelate which is readily available in market. Now I'm wondering how much of this 12% Iron Chelate should I use in 1 litre of Hougland solution.

Can anyone please help ? Thanks in advance.


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