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Very unhealthy 3 week old plants. New grower, trouble diagnosing the problem
thebiologiststarted grow question 3 years ago
Please help diagnose problems in the "one week later" pictures. EC 0.7,pH 5.6 - 6.0. Humidity 47-55%. 1-2cm distance from basket to water, high air flow... Not sure what is going so wrong. Over watering? Nutrient shortage? Brown spots on leaves. New growth curling, dark and slow
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BobTheGroweranswered grow question 3 years ago
Looks like it could be Ca or Mg deficiency.
source:
https://www.thcfarmer.com/threads/there-is-no-such-thing-as-a-cal-mag-deficiency.62747/#lg=attachment393229&slide=0
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