Calcium or Phosphorus Deficiency?

StuG69
StuG69started grow question 4y ago
One of my 3 Cream & Cheese has upper leaves on 3 stems/colas per the pic. The lower leaves are OK, the other 2 plants are fine. Thought calcium at first as phosphorus is more lower leaves? Maybe just add CalMag? Thank you so much!!
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Week 10
Leaves. Color · Mottling
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Organoman
Organomananswered grow question 4y ago
Yep, fairly typical example of cal/mag deficiency - symptoms of calcium deficiency in pic one and magnesium in pic 2. Damaged leaves will not recover, but adding more cal/mag asap will stop it getting too much worse. Remedy won't happen overnight, but it should pick up in a week or so. Generally, what is now showing in the leaves, is a reflection on what was going on in the soil 2 weeks ago. Remember to give all your plants cal/mag, preventing problems is better than curing problems! Hope this helps, Organoman.
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HerbalEdu
HerbalEduanswered grow question 4y ago
look like you got a phenotype more sensitive to calcium than the others
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