K,,,,,I have the same issue. Soil media. FF nutrients. Plus CalMag. I'm a couple of weeks till harvest, spots have shown on my plants a couple of weeks ago. No sign of an infestation of mites. Attached are pics of a couple of leaves. Nutes are 6-7 ph. Entire plant not showing this issue, just...
Plant is in flower stage, close to 6 weeks, buds looking great. Growing in soil. Tri's forming perfectly. Is the issue chemical or is plant just getting near the final stages?