whats wroing with my friends plants?

Discussion in 'Sick Plants and Problems' started by UCF-Toker, Apr 14, 2006.

  1. i know nuthin about growin, and didnt know what to search.
    whats the yellow marks?

  2. if that's primarily starting in the lower leaves and there's no ozone generator near the plant, I'd have to guess Mg deficiency.
  3. what should i do then? its clearing up, mainly on one plant
  4. If its magnesium deficient than give it some Epsom salt and it will clear up. However, I am not sure that is what your problem is. Please give us some more info such as:
    What type of lights and how far from plants
    what type of soil is it and are there any added nutes
    What has the fertilizing schedule been
    Have the plants been around an ozone filter
    How old and what size are the plants
    Any other important info

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