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Thread: Need help diagnosing what's wrong with my plants?

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    Need help diagnosing what's wrong with my plants?

    Can anyone help figure out whats going on with my plants? I'm 4 weeks into bud and everything seems to be doing fine(my buds are huge) but the leafs are getting spotty and burnt looking? Im doing DWC and I feed 50% less then what is advised on my nutrients chart. Am I over feeding still or deficient in something? Some of the leafs on top of the plants are curling up as well?

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    re: Need help diagnosing what's wrong with my plants?

    H NJB - Some good quality photos and answers to the Qs below would be a big help.

    What Strain is it?
    Is it Indica, Sativa or Hybrid? What percentages?
    How Many Plants?
    Is it in Vegetative or Flowering Stage?
    If in Vegetative Stage... How Long?
    If in Flowering Stage... How Long?
    Indoor or Outdoor?
    Soil or Hydro?
    If Hydro, Reservoir size?
    If Hydro, Reservoir Temperature?
    If Hydro, what type of Medium?
    If Hydro, what type of Setup?
    If Soil... What is in your Mix?
    If Soil... What Size Pot?
    Size (Wattage) of Light? How Many?
    Is it Air Cooled?
    Temperature of Room/Cabinet?
    RH of Room/Cabinet?
    PH of Medium or Reservoir?
    Any Pests?
    How Often are you Watering?
    Type and Strength of Fertilizers used?
    Size or Square Footage of Room?

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    re: Need help diagnosing what's wrong with my plants?

    How do you post pics?

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    re: Need help diagnosing what's wrong with my plants?

    .

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    re: Need help diagnosing what's wrong with my plants?


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    re: Need help diagnosing what's wrong with my plants?

    What Strain is it? OGKush X Amnesia Haze, Black Indica, Chemo, Girl Guide Cookie and Xtreme Haze
    Is it Indica, Sativa or Hybrid? What percentages?
    How Many Plants? 18
    Is it in Vegetative or Flowering Stage?4th week bud
    If in Vegetative Stage... How Long?
    If in Flowering Stage... How Long? 4th week
    Indoor or Outdoor? In
    Soil or Hydro? Hydro
    If Hydro, Reservoir size? 2- 100 litre reservoirs connected
    If Hydro, Reservoir Temperature? 19
    If Hydro, what type of Medium? 4 Inch cubes
    If Hydro, what type of Setup? Deep Water Culture
    If Soil... What is in your Mix? 50% less what the bottle says
    If Soil... What Size Pot? N/A
    Size (Wattage) of Light? How Many? 4- 1000 hps
    Is it Air Cooled? No
    Temperature of Room/Cabinet? 28-29
    RH of Room/Cabinet? 10%
    PH of Medium or Reservoir? 6.0
    Any Pests? None
    How Often are you Watering? 24/7
    Type and Strength of Fertilizers used? Advanced Nutrients Connoisseur
    Size or Square Footage of Room? 16'x16'

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    re: Need help diagnosing what's wrong with my plants?

    With just the pictures to go on and no other info I'll guess calcium deficiency.

    That said, those buds look pretty nice!
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    Be kind to your lungs. Breath herbal vapors, not smoke.

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    re: Need help diagnosing what's wrong with my plants?

    Anything I should do?

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    re: Need help diagnosing what's wrong with my plants?

    I answered you questions above

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    re: Need help diagnosing what's wrong with my plants?

    Just saw the answers to the questions.

    I've had mail from AN saying that their pH perfect line does not require calcium supplementation, but I'm still going to guess that you have very soft water or are using RO water and that you're not getting enough Ca.

    AN does make a Ca/Mg supplement. I have used GH CALiMAGic at 2.5 ml/gallon with good results. At 1.25 ml / gallon my leaves started to look like yours, but we have no minerals in out water here at all.

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    re: Need help diagnosing what's wrong with my plants?

    I'm using tap water.

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    re: Need help diagnosing what's wrong with my plants?

    Could it be from the chlorine?

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    re: Need help diagnosing what's wrong with my plants?

    Quote Originally Posted by NinJaB00t View Post
    Could it be from the chlorine?
    No

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    re: Need help diagnosing what's wrong with my plants?

    Quote Originally Posted by NinJaB00t View Post
    I'm using tap water.
    What's in your tap water? (You can check your utility's website.) How hard? How many PPM? (If you don't have a pH meter and a PPM meter, you probably should. Knowledge is power!)

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    re: Need help diagnosing what's wrong with my plants?

    One of those shots (bud close-up) looks like it might be showing some heat stress, and there's tip burning too (sign that fertilization is too heavy). Try using 1/2 the manufacturer's recommended strength (this is where a PPM meter comes in handy--tracking and comparing nutrient concentration).

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