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  1. #1
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    High school teacher needs help

    Hi guys,

    Went back to my Bio/Chem class that I had last year (which got me hooked on aquaponics) and my teacher asked me to look at a system and figure out what is wrong. I thought I would probably figure it out or at least have an idea of what is wrong but I have no idea.
    Here is a list of info about the system:
    1. All other systems in the green house are doing a lot better than this one.
    2. The fish seem perfectly healthy and happy.
    3. Water test came back pretty good nothing out of the ordinary.
    4. When the plants started looking bad they added 2 grow lights but saw little to no improvement in plant health.
    5. The teacher also started adding a nutrient supplement when the plants started looking bad (she got the supplement at a garden store and doses according to the directions)

    I will add the photos I took of the plant. One of the main reasons she wants to know is because the supplement was really expensive and she doesn't want to waste it all on one system unless it will help.


    Thank you for any and all help she will greatly appreciate it.
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  2. #2
    Moderator urbanfarmer's Avatar
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    Re: High school teacher needs help

    potassium deficiency

  3. #3
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    Re: High school teacher needs help

    Thank you Urban She will be very happy to hear that.

  4. #4
    Moderator JCO's Avatar
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    Re: High school teacher needs help

    AAAAWWWWwwwww Man, I was gonna' say that
    JCO
    Irish eyes are always smiling but
    • "In the eyes of the world, you are only as good as your last success"
    so never forget
    • "MAN IS ONLY LIMITED BY HIS IMAGINATION"

  5. #5
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    Re: High school teacher needs help

    i had the same problem with cukes in a fairly new system..
    try to make sure that the "nutrient supplement" is considered fish safe... some are not, most recommend "Maxicrop with iron",
    which can be added sparingly to the water, and/or used diluted and used as directed as a topical treatment
    i've read quite a bit about people burying a half a banana or banana skin to add potassium, but i just read that potato's contain more potassium.. so maybe a "tater slurry"

  6. #6
    Members foodchain's Avatar
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    Re: High school teacher needs help

    Why not potato peels?
    At first I left this blank...but now I believe: "It's better to keep your mouth closed, and have the world think your a fool, than open it and confirm it."

  7. #7
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    Re: High school teacher needs help

    peels might have eyes and start growing? i dunno.. just figured blending it up would act a little quicker..

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