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Nutrient Dosing Calculator

Discussion in 'Rotala Butterfly Support & Feedback Forum' started by Jason King, Mar 21, 2017.

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  1. Bishop

    Bishop Member

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    Seems to be the case. Mouse over turns the 'calculate' button black and is still a clickable button but on mouse down gives no return, load etc.
     
    #21 Bishop, Sep 23, 2017
  2. vinzphua

    vinzphua Subscriber

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    Works if I choose "Result of my dose" but not if I choose "EI". Didn't try anything else.

    Sent from my XT1572 using Tapatalk
     
    #22 vinzphua, Sep 23, 2017
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  3. Steven Kirby

    Steven Kirby New Member

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    Im glad I seen this, I seem to be having the same issue with the dosing calculator
     
    #23 Steven Kirby, Sep 23, 2017
  4. Jason King

    Jason King barrreport.com
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    #24 Jason King, Sep 23, 2017
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  5. Densha

    Densha Junior Poster

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    Working fine for me! Thanks for taking care of this Jason.
     
    #25 Densha, Sep 23, 2017
  6. slobodan

    slobodan New Member

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    Hi there,

    I think i found a bug with the calculator.. please see here:


    upload_2017-10-24_8-39-7.png
     
    #26 slobodan, Oct 24, 2017
  7. fablau

    fablau rotalabutterfly.com
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    Hi Slobadan. What exactly you think is wrong there? The 1 gram value? Should that be different? Please, tell me more... thanks!
     
    #27 fablau, Oct 24, 2017
  8. slobodan

    slobodan New Member

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    Hi Fablau,

    Yes, 1 gram value is wrong..
    If I do "REsult of my dose" i get this



    upload_2017-10-24_10-27-10.png
     
    #28 slobodan, Oct 24, 2017
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  9. slobodan

    slobodan New Member

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    If I go past 1.8 ppm as my target I get 1g

    upload_2017-10-24_10-31-55.png
     
    #29 slobodan, Oct 24, 2017
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  10. fablau

    fablau rotalabutterfly.com
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    Good catch Slobodan! For some reason nobody ever tested dosing over 1000 grams! Just fixed now. Thank you for your feedback!
     
    #30 fablau, Oct 24, 2017
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  11. slobodan

    slobodan New Member

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    you are welcome.. Well, If I want to have 2ppm of Iron using DNF I need to add 1000g.. I hope that's correct.. :)
     
    #31 slobodan, Oct 28, 2017
  12. fablau

    fablau rotalabutterfly.com
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    Yes, that's how it looks like... unless the "numbers" we have for that mix are wrong. But my guess is that it is correct. 2ppm of Fe is a lot.
     
    #32 fablau, Oct 28, 2017
  13. Bing

    Bing New Member

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    I'm running the nutrient calculator for MgSO4 and the value seems a bit high (228.17g)... :)

    joayLqz.png
     
    #33 Bing, Nov 18, 2017
  14. fablau

    fablau rotalabutterfly.com
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    Hi Bing. That looks right to me, 5ppm of Mg is pretty high. Jason, Burr or Pikez can confirm?
     
    #34 fablau, Nov 19, 2017
  15. Christophe

    Christophe Subscriber
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    The answer from the calculator is correct -- to raise 180L of water by 5ppm Mg, you'd need to add 9.13g each time.

    Mg, being a component of GH, only really needs to be added during water change, to bring your new water up to the level you're trying to maintain in the tank. So if you're doing a 50% water change, bring the NEW water (90L) up by 5ppm. That means half the amount, or 4.56g, added with the water change.
     
    #35 Christophe, Nov 19, 2017
    Last edited: Nov 19, 2017
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