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DIN and DON testing

Discussion in 'Advanced Strategies and Fertilization' started by matpat, Aug 24, 2005.

  1. matpat

    matpat Prolific Poster

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    I've been reading through the Nitrogen Cycling in Planted Tanks Barr Report and one thing keeps coming back to my mind. There is a sentence that states something on the lines that "plants can use DIN but have trouble with DON".

    This got me to thinking about test kits. What exactly to they measure, DIN, DON, or both???

    If it is both, could this be the reason that a lot of folks have some algae issues even though they seem to have high enough CO2 and NO3???

    If this has already been discussed, please point me to the thread. I did a search but came up empty.
     
  2. Tom Barr

    Tom Barr Founder
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    Re: DIN and DON testing

    Test kits we use measure both.
    Generally the absorbic acid reduction method is used for any hobby kit, I use Cadinum reduction and recycle the cadinum.

    You need to do specialized test for DIN and DON individually.
    Not a hobby based test method...............

    Mainly an algal differrence with plants and algae.

    Regards,
    Tom Barr
     
  3. Tom Barr

    Tom Barr Founder
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    Re: DIN and DON testing

    No, more the tested measurements, plant biomass, other maintenance etc.

    Regards,
    Tom Barr
     
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