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Kn03 ?

Discussion in 'Advanced Strategies and Fertilization' started by alexandre, Jul 1, 2005.

  1. alexandre

    alexandre Junior Poster

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    Currently I am using Flourish Nitrogen witch I don't know if I dose proprely.
    So today I was looking for some KN03 to dose with my KH2PO4 & K2SO4 from Greg Watson.
    I found some 25KG bag but the lady in the shop wasn' t speaking a lot of english so I could not get any information from her, this is what is write on the bag:

    Krista-k tm
    EC- Fertilizer

    Potassium Nitrate

    NK Fertilizer 13.5
    45.5

    Total Nitrogen (N) 13.5%
    of wich
    Nitric Nitrogen (N) 13.5%

    Potassium oxide (K20)
    Water soluble k20 45,5% (37.8%K)

    Low in chlorine

    So is it OK to use this stuff or shall I carry on my search & what shloud I looking for?

    Thanks for the help.
     
  2. Greg Watson

    Greg Watson Administrator
    Staff Member Administrator

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    Re: Kn03 ?

    It should be just fine ...

    Greg
     
  3. alexandre

    alexandre Junior Poster

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    Re: Kn03 ?

    Thank‘s Greg.
    But I am not very sure if I dose properly, because I use a scale (0.1gr) and every body seam to use teaspoon. So maybe you can tell me in gram a weekly schedule for KN03, KH2P04, K2S04 and Flourish, my tank is a 40G with pressurise CO2 and 2,5 WPG.
    Thank s for the help.
     
  4. Tom Barr

    Tom Barr Founder
    Staff Member Administrator Social Group Admin

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    Re: Kn03 ?

    The 1/4 teaspoon is about 1.67 grams.

    See Chuck Gadd's dosing calculator.
    They have weights.

    I started suggesting 1/4 teaspoons by doing something rather simplwe, taking the average of 20 measurements of 3 different brands of 1/4 teaspoons, they were all within 0.1 grams, so that was acceptable enough error to hit + or - 1ppm of NO3-.

    Regards,
    Tom Barr
     

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