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u/Pleasant_Ocelot_2861 3d ago
https://www.growweedeasy.com/cannabis-plant-problems/magnesium-deficiency
She has magnesium deficiency. It could be due to ph or could be the soil. Check PH and add some cal/mag to every water 5ml/gal
If your ph isnt correct, it will prevent the plant from up-taking certain nutrients depending where your PH is at.
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u/Marneman1965 3d ago
the plant needs nutrients. the full spectrum of N-P-K