Sour D Run With Alien OG DWC In Flower

Sometimes called "yellow leaf spot" or "leaf septoria," this condition is caused by a fungus (or sometimes a bacteria) that attacks cannabis plants and usually appears in warm, wet weather. The symptoms first appear on the bottom leaves of the plant.
The spots may have darkened borders and may have a hard growth in the middle like a little pimple, but the thing that makes the spots the most unique is they are often very uniform, like little circles. Each spot is the receptacle of a spore (ewwww) which look like tiny dark specks in the center of each spot.
Although the spots often appear yellow like in the picture below, they will start turning brown over time. So if you see round brown spots on your cannabis leaves it could also be caused by leaf septoria.
 
Looking good. I'm mainly soil, but throw some coco plants too. Those brown spots are Ca deficiency. Some strains need more of it that others, and Ca is the hardest element to get right in flower imo. I use many multiple types to try to keep from the spotting on some strains, Sour being one, anything with enough haze in it, sativas in general. Hope that helps, plants look great man.
 

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