Aquaponics Iron vs Seachem Iron? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 04-16-2018, 06:20 PM Thread Starter
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Aquaponics Iron vs Seachem Iron?

I am looking at finding a cheaper way to dose iron. Seachem works great, but I am wondering if I can cut out the middle man and find a cheaper source.

I found this iron which looks like it will go a long way as it is very concentrated: https://www.amazon.com/dp/B00XV1J9GG...ing=UTF8&psc=1

Any thoughts or alternative methods?

Thanks!
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post #2 of 4 (permalink) Old 04-17-2018, 05:44 PM
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I buy dry stuff and mix my own. No point in paying for somebodyelse's water.

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Dry Fertilizer - Individual Fertilizer - NilocG Aquatics

Those are the 2 I have used. Probably others out there.
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post #3 of 4 (permalink) Old 04-17-2018, 07:10 PM
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Quote:
Originally Posted by vigilanterepoman View Post
I am looking at finding a cheaper way to dose iron. Seachem works great, but I am wondering if I can cut out the middle man and find a cheaper source.

I found this iron which looks like it will go a long way as it is very concentrated: https://www.amazon.com/dp/B00XV1J9GG...ing=UTF8&psc=1

Any thoughts or alternative methods?

Thanks!
https://www.amazon.com/Chelated-Orga...ords=DTPA+iron

same thing but in Dry form,make your own solution and this should last you ages.

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post #4 of 4 (permalink) Old 04-17-2018, 07:53 PM
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Iron doesn't dissolve easily in water so most Iron fertilizers chelated iron. The most common Chelates are EDTA DPTA and occasionally you see EDDHA. Seachem uses iron Gluconate.

EDTA is stable at a PH of 6.5 or lower. If you tank PH is higher than this EDTA will seperate from the iron and plants will not be able to use it. DPTA is stable to about a PH of 7.5. EDDHA is stable to about a PH of 11. Unfortunately EDDHA is the most expensive. Gluconate is apparently not very stable but it is more easily absorbed by plants.

So which one will work best for you will depend on your tank PH. You can use a fertilizer calculator such as rotalabutterfly.com to determine how much to add to your aquarium.
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chelated iron, diy fertilizer, iron, seachem

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