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Thread: Calmag

  1. #1

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    Default Calmag

    So Iím running a RDWC system. Might be being a little pedantic but all my nutrients Iím using are pretty clear. All except my calmag which is pretty dark, looks like the colour of molasses. It turns my mute mix a brown colour. Iíd like to use a less coloured calmag so it doesnít stain my roots and I can see how white they actually they are a bit more accurately. Doesnít matter too much in the grand scheme of things but something Iíd like.

    anyone know of any colourless cal mags?

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  3. #2

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    Quote Originally Posted by THE DARK KNIGHT View Post
    So Iím running a RDWC system. Might be being a little pedantic but all my nutrients Iím using are pretty clear. All except my calmag which is pretty dark, looks like the colour of molasses. It turns my mute mix a brown colour. Iíd like to use a less coloured calmag so it doesnít stain my roots and I can see how white they actually they are a bit more accurately. Doesnít matter too much in the grand scheme of things but something Iíd like.

    anyone know of any colourless cal mags?
    Add some h2o2, that'll keep the roots nice and white 👍

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  5. #3

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    Default

    I wouldn't be adding cal-mag to the tank it gives you an inaccurate Ec reading of your nute solution its best used as a foliar feed every couple weeks....


    Regards BL

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    Quote Originally Posted by walkaway View Post
    Add some h2o2, that'll keep the roots nice and white 👍
    Iím not running a sterile system and Iím trying to get a clear nutrient as I can to avoid staining. Not a big deal if not


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    Quote Originally Posted by Bud Lightyear View Post
    I wouldn't be adding cal-mag to the tank it gives you an inaccurate Ec reading of your nute solution its best used as a foliar feed every couple weeks....


    Regards BL
    Iím using RO water in RDWC so think itís imperative. I bring my base up to 200ppmís before I add my nutrients and boosters etc

    Thanks


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    Default

    I wouldn’t be using calmag full stop
    Save your money mate
    Redz
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    Default

    Are you growing under LEDs?

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    Quote Originally Posted by redisiel View Post
    I wouldnít be using calmag full stop
    Save your money mate
    Redz
    Even using RO water? Everything Iíve read and been told is that I should add calmag back into my water to 0.4EC? My water is 0EC out of the RO filter


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    Quote Originally Posted by WhIpLaSh View Post
    Are you growing under LEDs?
    I am 1/3 LED and 2/3 HPS


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    Flipped on 1st September and just seeing first signs of flower if thatís relevant


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    Quote Originally Posted by THE DARK KNIGHT View Post
    I am 1/3 LED and 2/3 HPS


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    LED lights are known to cause calcium deficiencies, that's why I ask. I never used Calmag before under MH or HPS but definitely found I needed it under LEDs. Foliar spray is best as mentioned above.

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  23. #12

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    Quote Originally Posted by THE DARK KNIGHT View Post
    I’m using RO water in RDWC so think it’s imperative.
    No not really....According to your diary your using Ionic soft water version nutes ? The Ionic soft water nutes contain extra calcium and magnesium to compensate for the lack of these micro elements in soft or Ro water....Therefore you would only need to supplement cal-mag if you have an issue or as a preventative measure, even then you only need small amounts not a constant full dose supply...


    Regards BL

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