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Having problems :(

Discussion in 'Newbie Central' started by ganjaman1476, Nov 13, 2017.

  1.  
    ganjaman1476

    ganjaman1476 Well-Known Member

    Hi all haveing bit of a problem currently got x3 cookie kush and x3 liberty haze.
    1.2-1.2-2m tent
    600watt hps air cooled hood
    8inch outtake
    5inch intake
    Nutes...Cana a ..Cana..b
    Medium coco in 20ltr pots
    Adding cal mag
    As you can see last couple weeks got this on the leaves now I'm thinking my ph meter is fucked as I've been making my ph 5.8 but but haven't calibrated my pen since last grow few months ago plants are currently little shy of week 7 any help be greatfull think I've stated it all....cheers IMG_1621.JPG
     

    Attached Files:

  2.  
    leather lungs

    leather lungs Well-Known Member

    Bugs?
     
    KryptoBud likes this.
  3.  
    ganjaman1476

    ganjaman1476 Well-Known Member

    No checked for spider mite etc and have had a real good look in coco medium ect always keep my environment spotless too so crossed that out ?
     
  4.  
    leather lungs

    leather lungs Well-Known Member

    Then i would say calcium deficiency.
     
  5.  
    ganjaman1476

    ganjaman1476 Well-Known Member

    Even with adding cal mag throughout?
     
  6.  
    xtsho

    xtsho Well-Known Member

    What are the ppm's/ec you're feeding? It looks nute burned.
     
  7.  
    ganjaman1476

    ganjaman1476 Well-Known Member

    Around 600ppm
     
  8.  
    John1961

    John1961 Active Member

    Are you able to calibrate your meter? Buy a new one?

    If your PH is not within a "correct" range, many of the nutrients you provide to the plant will simply be unavailable. Even the additional Cal/Mag you've been providing. PH must be within a good range in order for the plant to be able to absorb those nutrients.

    Your pics, IMO, suggest a serious PH issue and/or nutrient deficiencies as a result.
     
    TCH likes this.
  9.  
    ganjaman1476

    ganjaman1476 Well-Known Member

    New pen on order as of 10min ago and calibration solution as I've got gut feeling out one is way out or needs another calibration but for what it cost not worth the hassle. Cheers people as I said I think it's a ph problem that now causes other problems like nutrient uptake ect hopefully it's the ph I'll calibrate the new one and then check the same water with new one soon tell me. Been big help many thanks
     
  10.  
    Rook07

    Rook07 Active Member

    Get one of those cheap $5 aquarium PH testing kits as a backup in case the pens die or start acting weird.
     
    ganjaman1476 likes this.
  11.  
    OldMedUser

    OldMedUser Well-Known Member

    I found a great spot to download FREE POT BOOKS. I downloaded a grow bible first and got lots more. Books look great and complete like the real ones I have here. No web site but just a page of links. Just right click on what you want and then "Save Link As" to download so they don't open first as some are 50+ megs. They got lots. Enjoy.

    marijuana_deficiency_chart_jorge_cervantes-big.jpg

    Have you had high temps lately? Leaves almost look nute burnt. Read all the little clues on that chart and you should be able to figure it out.

    Good luck!

    :peace:
     

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