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  1. J

    Thank you for the reply :) no N issues. I had brown spots only on newer growth. Cal mag did...

    Thank you for the reply :) no N issues. I had brown spots only on newer growth. Cal mag did the trick!
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  2. J

    if you are seeing lighter green, especially on older leaves, that would be a lack of N not Ca...

    if you are seeing lighter green, especially on older leaves, that would be a lack of N not Ca. Just an FYI ;)
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  3. J

    Critical kush (barneys farm)

    Just found this; with pictures.... http://www.growweedeasy.com/calcium-deficiency-cannabis
  4. J

    Critical kush (barneys farm)

    Well, ca is a very slow transporter. Unlike N that will leave a leaf and show on older leaves, ca leaves leaves slow so you see the deficiencies show up on newer growth. Color off for sure but usually starts with brown spots, leaves can get crispy and die. One thing about ca, once the...
  5. J

    Critical kush (barneys farm)

    First grow of ck, 2nd overall. One note, if you are using RO water I suggest calcium. Definitely had a ca deficiency. PH was off so flushed and all was good. My rule of thumb, I stop flushing once the Ph of the water going in is the same as the ph coming out. Here is a pic at not even 6...
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