Aquaponic Gardening

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I have been told that if my leaves are yellow I need to add iron to my system. Does anyone know how to get proper iron that won't harm the fish. My fish are healthy and water is good but my leaves are yellow. My systems are after the Friendly Aquaponics people in Hawaii. I am going to tell them about your site, I took a 4 day class last year and am going back in April. I know though the more info I can get the more successful I will become. I already have people wanting to learn about it. I am glad I stumbled into you.

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Comment by Shawn on March 16, 2010 at 10:38pm
Raychel- I just happened to see a post at the Aquaponics in Paradise forums in the 'materials and resources' thread, that mentioned BEI has chelated iron in 25lb bags. It's at the top of page 5, here. I also saw reference to someone throwing rusting metal into their growbeds, but I couldn't figure out if they were serious! lol -- Good luck...
Comment by Sylvia Bernstein on March 16, 2010 at 4:12pm
Hi Rachael,

What is your pH? Iron is the first element that plants cannot uptake if pH gets very far off 7.0.

I also recommend you start this up as a forum topic so you can get much more advice. this group tends to be more trained to review the forums than the blogs.

Sylvia

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