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Marijuana Plant Problems

Help! Can't work this one out. Bleached leaves and pure white flower tops.

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forums; I have hit a problem. Half-way through a scrog flowering period a few tops have started to go funny, mainly ...
  1. #1
    Veteran Smoker Mr. Ganja cues's Avatar
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    Default Help! Can't work this one out. Bleached leaves and pure white flower tops.

    I have hit a problem. Half-way through a scrog flowering period a few tops have started to go funny, mainly directly under the light. The leaves are showing inter-veinal yellowing, like mg or Fe deficiency. I have just added some epsom salts.
    More worrying, on the same tops that have yellow leaves, the new flower growth is pure white, just at the tip. I am unsure whether it's a mag def or light bleaching. This is my first grow in this cupboard, although I have used the same hydro system and nutrients before without problems.
    Temps seem OK. Peaks at 85F and dipped to 60F over last 24 hs.

    Anyone any ideas?
    CRIM0047.jpgOn the plus side, I just fast-dried and smoked this bud I picked for the Photo and I am w*nkered!
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    Last edited by cues; 07-18-2012 at 01:02 PM.
    Everything written on here is a figment of my over-active imagination caused by mental health problems due to low THC levels in my brain. All pictures are posted by a mysterious stranger who hacks into my PC when I'm not looking. I'm not even sure I am real.

  2. #2
    Super Stoner Mr. Ganja *BUDS's Avatar
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    Its very def because the ph is wrong.

  3. #3
    Veteran Smoker Mr. Ganja cues's Avatar
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    Cheers buds. Appreciate the quick response. I just checked it and it's about 6.5. Way higher than I normally have it (5.5 ish) Do you think that's the problem?
    I am in hydroton. Just put some ph down in and will check again in the morning.
    Everything written on here is a figment of my over-active imagination caused by mental health problems due to low THC levels in my brain. All pictures are posted by a mysterious stranger who hacks into my PC when I'm not looking. I'm not even sure I am real.

  4. #4
    420 TIME Stoner
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    Thats weird looking, like some flower shop mutant.

  5. #5
    Veteran Smoker Mr. Ganja cues's Avatar
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    O.K. So today, it looked worse but only the tops under directly the light. pH is down to 5.5.I've done something a bit weird. I've tried to do a kind of simple LST on the top ot the screen. I've 'twisted' the taller affected buds onto the shorter ones.
    Everything written on here is a figment of my over-active imagination caused by mental health problems due to low THC levels in my brain. All pictures are posted by a mysterious stranger who hacks into my PC when I'm not looking. I'm not even sure I am real.

  6. #6
    Stranger Stranger
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    From what I can see it looks like light bleaching.
    Ku$hking3883 and PetFlora like this.

  7. #7
    Pot Head Stoner Ku$hking3883's Avatar
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    indoor grow i take it. Have you been razing the lights as they have been flowering?Did you put them out in the sun?
    --
    $--->WEED WORLD ROCKS!!!<---$

  8. #8
    Veteran Smoker Mr. Ganja cues's Avatar
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    Quote Originally Posted by Ku$hking3883 View Post
    indoor grow i take it. Have you been razing the lights as they have been flowering?Did you put them out in the sun?
    Neither is an option.
    Everything written on here is a figment of my over-active imagination caused by mental health problems due to low THC levels in my brain. All pictures are posted by a mysterious stranger who hacks into my PC when I'm not looking. I'm not even sure I am real.

  9. #9
    Mr.Ganja Mr. Ganja PetFlora's Avatar
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    What light source and what strain Indica or Sat?

  10. #10
    Veteran Smoker Mr. Ganja cues's Avatar
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    250w hps, GHS Big bang fem (Indica). scrogged. Mini-grow. bulb was 7 1/2 " above closest tops.4 weeks into flower
    Everything written on here is a figment of my over-active imagination caused by mental health problems due to low THC levels in my brain. All pictures are posted by a mysterious stranger who hacks into my PC when I'm not looking. I'm not even sure I am real.

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