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Cal/Mag Deficiency?

Discussion in 'Newbie Central' started by MedicalGrow123, Nov 20, 2017.

  1.  
    MedicalGrow123

    MedicalGrow123 New Member

    Hi all,

    Thank you for your help!

    Could you please share your insights on these plants?

    Coco & GH nutes.

    Plants had minor leaf browning so I thought it was nute burn. I FLUSHED them 3x pot volume with plain ph'd water then gave them 1/4 strength nutes, upped it to 1/2 and now moving towards full. I was told I likely had Cal or Mag def, so I started using Cal/Mag (even though these plants are on well water ~140 out of ground).

    Running feed pH at ~5.7.

    Some people say nute burn, so I flush it. (these dark rust spots developed after doing so)

    Others say Calcium or Mag deficient... (started adding cal/mag but isn't getting much better so I'm at a loss).

    THANK YOU! image1.jpeg image2.jpeg
     
  2.  
    chris42393

    chris42393 Active Member

    From what i read (whether is true or not idk, im new as well lol) root aphid damage can mimic cal/mag deficiency. When did you start adding the cal/mag? It definitely does look like its a cal/mag problem.
     
  3.  
    frizfrazjaz

    frizfrazjaz Member

    Your ppm’s sound good at 140. I wish my water was that. Are you sure you’re not root bound?
     
  4.  
    ScoobyDoo90

    ScoobyDoo90 Active Member

    I would think Cal/Mag, i usualy sprink just like a crushed up tablespoon of epsom salt into a 2 litr, and water with that just once, and it usualy takes care of it the whole rest of life,
     
    Giggsy70 likes this.
  5.  
    PopTop

    PopTop Well-Known Member

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