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  1. #11
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    Re: PH keeps dropping.

    Although you don't have direct sunlight, you must have secondary lighting, no? Try some shade tolerant plants - most greens (plants that you eat the foliage) can handle some shade, and some do better with a little shade to protect them from summer heat and keep them from bolting.

  2. #12
    Members Aloha Don's Avatar
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    Re: PH keeps dropping.

    If I may ask...what is your goal for your green house that is shaded?
    Are you only planning on growing leafy veggies?
    Put all excuses aside and remember this: YOU are capable - Zig Ziglar

  3. #13
    Moderator JCO's Avatar
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    Re: PH keeps dropping.

    Also how big is your greenhouse..photos inside and out please
    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"

  4. #14
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    Prairieville Louisiana, outside Baton Rouge
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    Re: PH keeps dropping.

    I have windows in the greenhouse, along with timed lighting. But the tank is located in the front of my greenhouse where the sun does not hit the water. I read that algae will form if that happens. My growbeds get lots of light.
    So do yall think she shade tolerant plants will help buffer the dropping PH?? And suggestions on what kind of plants?
    I included some pics on my system, let me know what yall think?
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    “We must reject the idea that every time a law’s broken, society is guilty rather than the lawbreaker. It is time to restore the American precept that each individual is accountable for his actions.” – Ronald Reagan

  5. #15
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    Fairport Harbor, Ohio
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    Re: PH keeps dropping.

    plants in the fishtank won't affect the ph.. use hydrated lime, in small quantities to adjust..
    or use shellgrit as recommended

  6. #16
    Moderator JCO's Avatar
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    Re: PH keeps dropping.

    I would use the egg shells. You don't have to worry about measuring them.
    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"

  7. #17
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    Re: PH keeps dropping.

    I put in about 8 eggshells in a nylon bag in my fishtank today, thanks for all the advice!!
    “We must reject the idea that every time a law’s broken, society is guilty rather than the lawbreaker. It is time to restore the American precept that each individual is accountable for his actions.” – Ronald Reagan

  8. #18
    Moderator JCO's Avatar
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    Re: PH keeps dropping.

    This is our Aquaponics Magazine article and it might be of interest to you and others here:-

    http://www.aquaponicsmagazine.com/di...2011/#more-260
    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"

  9. #19
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    Re: PH keeps dropping.

    eggshells will be used slowly.. you can quicken it up a little by crushing the shells

  10. #20
    Members Aloha Don's Avatar
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    Re: PH keeps dropping.

    Thank you for that article...very interesting...
    -How often should we add this to the system?
    -What are the signs/symptoms that tell us when to add?
    -I know the eggshells will stabilize the PH but what affect will the vinegar have on the system?
    Put all excuses aside and remember this: YOU are capable - Zig Ziglar

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