Living dead girl
This is my forth plant and I always get this!!!! I gave her General Hydroponics CALiMAG. Then I tried Epsom salt in, 1 tsp. in a gallon of water and strayed her down. I had a good bro tell me to use dolmite lime and mix it with the soil. It just seems I have this problem with calcium or magnesium. GO figure...
Start a thread and be certain to include all pertinent information.
Feeding and husbandry (how've you been growing her?)
pH of the media, water and feed
Others want to know if it's a seed or a clone, that doesn't really matter to me in this context. Offhand it's looking like a problem with P, but I don't see the reddened petioles that are typically the first indicator. As such, that would cause me to suggest K-, but I don't see the margin necrosis and spotting that's typical of a K-.