Find more info at: https://zipgrow.com/understanding-iron-in-aquaponics/
In this video on Iron & Aquaponics, Dr. Nate Storey from Bright Agrotech explains soluble vs. insoluble iron and what kinds of iron supplements exist for aquaponics systems. Don’t forget: each system is different! Make sure to watch part two on calculating how much iron you need for YOUR system!
WARNING: Some FeDDHA is the best iron for high pH systems, but many people have told us that the FeDDHA is turning their water red. If you’re in the range of FeDTPA is more appropriate, it might be best to use that instead of red kool-aid water.
We’ve had several folks ask about where they can get good iron supplements and how much they cost. Here is that info:
Chelated iron products you can google- available on Amazon and other online stores:
“Miller DP”- DTPA (What we use- on the shelf or ordered through Ace hardware)
“Sequestrene”- DTPA (5 lbs bag on Amazon for $57)
“Miller FerriPlus”- EDDHA (SunshineGardensFl dot com; 1 lb for $20, or 20 lbs for $300)
“Sequestar Iron 6% Chelate”- EDDHA (RoseCare dot com; 5 lbs for $73)
All of these products will work great in your system!
Remember to ask other questions in the comments box!
Nate is the Co-Founder of Bright Agrotech, a leader in vertical, space saving aquaponics and hydroponics systems and a commercial producer in the high plains of Laramie, WY. With this innovative technology, Nate and the Bright Agrotech team feed dozens of restaurants, over 50 people in a CSA program and supply for a local grocer.
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Thanks, studying for an interview!