Deficiency need help

1 plant showing some signs of deficiency I'm not sure what it is. Starting at the tops nothing showing on old growth besides some mite damage. Not sure if it could be related. Leaves are clawing upwards and plant is planted directly in ground.

Are you using synthetic nutes?

SuperNutz said:

Are you using synthetic nutes?

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No organic top dressing from roots organic and havent fed in 3 weeks. Gave them some organic liquid fish fert from Neptune's harvest right when I was noticing these spots.

Calcium maybe?

I can't figure it out, anyone else have an opinion? Looks like an odd deficiency for sure, only on the edges but all around the leaf and spotty brown. Never seen that before lol

I was leaning toward nute burn but then noticed those spots... I'm just guessing.

You use tap water? If so whats the PPM

Outdoor in the ground I have always used tap and never had an issue. They have been underwatered usually let the rain water them once flowering starts and we havent seen much of that lately. Could be a burn from last top dress about 3 weeks ago and never got a good watering and possibly nutes have been sitting.

Plant is large maybe 7 foot tall by 7 or 8 foot wide. Only one showing these signs and all plants get the same top dressings and waterings.