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  1. H

    Rust spots like these - pic included

    Will do! Thanks so much. Going to fetch my PH down...
  2. H

    Rust spots like these - pic included

    The very tippy tips are little brown. Mainly the spots are on the margin of the leaf. The ppm in the bucket is less than 600. Thanks!
  3. H

    Rust spots like these - pic included

    I've been researching this problem and sometimes I'm convinced it's Mg deficiency and sometimes I think it's Cal deficiency and sometimes I think it's K deficiency! What do you think it is? Bubble bucket - city water adjusted PH 6.8 - GH products and schedule. Thanks!
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