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Leaf problems

Papabro2kstarted grow question 5y ago

I’ve been getting this problem on many plants but not all can any help me out I’ve tried flushing I’ve tried cal mag in the past . Not 100% sure what’s causing this but I have a few plants perfect and a few with the same problems . Thanks in advanced

Papabro2k

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Leaves. Other

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Mr_Weeds_Autosanswered grow question 5y ago

This is definitely a magnesium deficiency but it's not from lack of magnesium but a actual nutrient lockout. After reading your diary I think your ph could be the issue 5.5 is a little low even for Dec. I would try raising it to 6.0-6.5 this is perfect for veg when growing dwc.

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Darkwarsongsanswered grow question 5y ago

Looking pretty good so far dude... I've had many plants be fine with a PH of 5.5-6.. and also had plants that found it too acidic.. I agree with Mr. Weeds Autos... Sometimes shifting to a higher ph.. Ie 6.2 can really improve the overall vigor of certain strains. But ideally you want to fluctuate a bit. Cannabis plants absorb different nutrients better at different PHs.... Bouncing the ph between 5.5-6.5.

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