Leaves drying and dying

Amnesia 6 weeks in flower.
Leaves drying and dying,any conclusions/advice please
Picture attached ✨️

Toxic salts buildup. You'll have to look it up as I'm bagged and off to bed.

Good luck.

Post up the details of the grow. Media, feed, lights, etc... the more info you give, the better solutions you will get for your issues.