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How to use 12% FeEDTA for Hougland solution ?

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Old 10-05-2017, 09:46 AM
Vicky G Vicky G is offline
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Join Date: Oct 2017
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Smile 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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