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Thread: Is this potassium deficiency?

  1. #1

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    Default Is this potassium deficiency?

    I've had slight yellowing of the tips of my leaves now for a few weeks, just put them into flower.

    Under led
    Using biobozz nutrients and following the feed chart.
    Feeding every 2 and plain water 3rd (2-3days between watering)
    Temps 28c humidity 50)

    I've just looked at a deficiency chart and I'm seeing potassium or nitrogen?

    Any help appreciated
    Cheers

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  3. #2

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    I see why you say that but considering the dark green of the leaf colour plus the inter vein necrosis, I'd consider Nitrogen excess...
    It's Not What You Know, It's What You Can Prove

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  5. #3

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    Quote Originally Posted by M_C View Post
    I see why you say that but considering the dark green of the leaf colour plus the inter vein necrosis, I'd consider Nitrogen excess...
    Another novice error on my behalf....

    Ive realised iv been using biobizz bloom with fishmix at full dose when they advise to use fishmix in veg and switch to bloom in flower.


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  7. Default

    Quote Originally Posted by funkysnair View Post
    Another novice error on my behalf....

    Ive realised iv been using biobizz bloom with fishmix at full dose when they advise to use fishmix in veg and switch to bloom in flower.


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    Actually Biobizz recommends you switch from fishmix to Bio Grow AND the Bio Bloom when in flower

    They are meant to be used together even during flower.

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    Quote Originally Posted by IceCalibur View Post
    Actually Biobizz recommends you switch from fishmix to Bio Grow AND the Bio Bloom when in flower
    Yes thats what i mean sorry
    I've been giving them grow, bloom and fish mix when I've started flowering.

    I should have given them fishmix in veg then switched to grow-bloom in flower, is that right?



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  11. Default

    Quote Originally Posted by funkysnair View Post
    Yes thats what i mean sorry
    I've been giving them grow, bloom and fish mix when I've started flowering.

    I should have given them fishmix in veg then switched to grow-bloom in flower, is that right?



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    Yes, that's exactly right

    Also I never go with the amount they state...I like to go with less then increase if needs be, easy to add more, but much more difficult to remove

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    Quote Originally Posted by IceCalibur View Post
    Yes, that's exactly right

    Also I never go with the amount they state...I like to go with less then increase if needs be, easy to add more, but much more difficult to remove
    Point taken bud, thank you!
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    M_C recommends that anything with Biobizz in the name goes in the bin

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  17. #9

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    Quote Originally Posted by M_C View Post
    M_C recommends that anything with Biobizz in the name goes in the bin
    How come?
    I thoght it was decent stuff?
    What do you recommend?

    Cheers


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  19. #10

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    The big issue is that it isn't formulated for the UK water supply....

    Bud did an excellent write up here with some alternative suggestions too - https://www.thctalk.com/cannabis-for...Bio-Bizz-curse

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