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Leaves turning yellow
findoutmorestarted grow question 8mo ago
Hi guys, my plants upper leaves turned a bit much yellow over the weekend! The structure of the leaves is unaffected! I’m wondering if I was over feeding or if the switch to the mars hydro ts1000 resulted in heat/light stress! Happy about any reply/information :)!!
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Leaves. Color - Yellow
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Organomananswered grow question 8mo ago
Looks like a combination of a magnesium deficiency and stress caused by growing for 12 weeks already at 24/0 and not getting any "sleep".
ALL cannabis plants NEED "sleep" for a correctly functioning metabolism and to finish their daily photosynthesis cycle.
A plant with an incorrectly functioning metabolism will never grow at peak health or to its fullest potential.
18/6 is optimal.
The MYTH that it is ok to grow cannabis for weeks/months without "sleep" is the biggest error in the cannabis cultivation world.
Nothing can be healthy without "sleep" or a rest period every day.
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Miltyanswered grow question 8mo ago
What's the soil ph? Check to make sure the soil ph is ok. Are you growing in coco? May need CalMag, it won't hurt to add a little and see what happens.
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