SOS Burnt Upper Leaves Late Flower - Potassium?

This is Banana Daddy Auto Day 56


Canna Coco AB w/PK - ec 2.05

Ph 5.7


The auto part came disconnected yesterday and flooded I refilled the tank and now the leaves are doing this


Do i just need to feed more

Its worst on the upper leaves most of the bottom looks ok

Salt toxicity