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Strange yellowing from the inside out!

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    HELP! Strange yellowing from the inside out!

    Hi all! I have a problem with my flowering feminized white widows from RoyalQueen Seeds: the fan leaves are turning brown from the middle to outside near the buds. They are enduring high temperatures between 27c° and 28c° so I think they are stressed. I have flushed them but the problem persist.

    I also have pulled a couple of nanners here and there.

    My setup:

    ​​​​​soil 11 lts pot
    Phlizon 600W led 45cms away
    60x60x160 cms tent
    Flowering stage week 9
    Biobizz tripack: currently Top max and biobloom
    Ph: between 6.3 to 6.6 in water and runoff
    55w exaust and ducting

    What do you guys think?
    Last edited by Alexanderz; 01-24-2020, 02:24 AM.

    #2
    Did you try the Plant Doctor: https://www.growweedeasy.com/cannabis-symptoms-pictures

    Comment


      #3
      Yep it looks like Cal Mag deficiency, but I have no experience to confirm...

      Maybe adding a kelp based nutrient will help, in case the problem is the heat stress?

      Comment


        #4
        Looks ugly - looks like the beginning of bud rot or mold - try and look inside one of your buds. Green is good, brown is rot.
        ​​​​​​3 X 3 gorilla. Promix soil . Green Planet Nutes
        Optic 4 - 415w COB 18/6
        Vortex in-line 6" fan

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          #5
          On my way! I will post pictures also.

          Comment


            #6
            I think it looks like this: https://www.growweedeasy.com/cannabi...h-fluctuations

            Comment


              #7
              Originally posted by billyboy View Post
              I though so at first, but the yellowing in my plants starts at the center of the leaf and then expands outside.

              Comment


                #8
                Originally posted by Canuck147 View Post
                Looks ugly - looks like the beginning of bud rot or mold - try and look inside one of your buds. Green is good, brown is rot.
                The calixes of the buds looks fine. I have lots of browning pistils tho.

                Comment

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