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Nitrate????

Discussion in 'General Plant Topics' started by Gbark, Sep 16, 2009.

  1. Gbark

    Gbark Guru Class Expert

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    Hi all,

    I have a constant reading of 25ppm nitrate in my tank. I've always put it down to the amount of fish i have.

    I decided to bring a water sample into work with me tonight and asked the chemist to run a NITRATE test on it, he came up with 4ppm.

    which one is correct?
     
  2. Biollante

    Biollante Lifetime Charter Member
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    The Chemist!


    My money would be on the chemist!:D

    Hobby test kits are notorious for inaccuracy and even expensive test kits require calibration. There are some good instructions around here for calibrating test kits.;)

    Generally don't bother, dose, weekly water changes, pay attention to the plants and critters.:cool:

    Biollante
     
  3. Gerryd

    Gerryd Plant Guru Team
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    Hi,

    It would depend on the test you and the chemist used and then how recently and accurately each was calibrated.

    They are both nitrate tests correct?
     
  4. Gbark

    Gbark Guru Class Expert

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    yeah i used a liquid test, from my LFS (tetra test)

    he used the colorimeter in the lab, he is familar with testing for Nitrate.
     
  5. Biollante

    Biollante Lifetime Charter Member
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    The Chemist fer sur...

    The Chemist wins!:eek:

    Biollante
     
  6. Gerryd

    Gerryd Plant Guru Team
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    Colorimeter vs LFS kit is no contest LOL Colorimeter wins by a landslide!
     
  7. Gbark

    Gbark Guru Class Expert

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    could you point me in the right direction :)
     
  8. Biollante

    Biollante Lifetime Charter Member
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    Thanks!

    Life is easy with Gerry about.;)

    Thanks Gerry, I knew they were here somewhere.:)

    Biollante
     
  9. Gbark

    Gbark Guru Class Expert

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    thankyou guys,

    i have re-read the EI guide as well, i learn somthing new everytime i read it:)
     
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