Hello, could someone give me advice? Is this nutrient burn or light stress. Ppm are at 975.ph is 5.8 I did get the ppm to 1300 but brought it back down when I started having problems. . I was feeding it big bud since week 2 a long with gh Lucas method and cal mag. Super sherb in dwc. In a 5x5. I'm having problems with both plants. It started on the lowest fan leaves. I have 2 led lights in my tent. I thought if it was light stress it would effect the top leaves first. Any help would be appreciated. I'm in week 4 of flower. I'll upload more pics if needed
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