Magnesium deficiency?

Late veg plants curling leaves like a canoe. Also turning brown and jagged. Is this magnesium deficiency? They also have very purple stems and drooping tips. Not sure

Plants ever set in their runoff on accident?

Where the crispy leafs the ones closer to the light. Some extra info would help. Are they in soil? what watering habits do you have? What nutes you feeding? It helps get you good information

calcium,manganese ,zinc,
You running high phosforus ? or magnesium

remeber magnesium is highly mobile ,you wont see a def at the top of the plants.

And magnesium is at the center of the chlorophyll molecule .

I think my girl is hungry for Magnesium
Larger older leaves, near bottom and "inside" the plant.