nute burn or potassium defect?? please i really need to know for shizzle

will somebody pleaase tell me if this is nute burn or potassium defect? and what should i do to fix it please help fast evceryday it gets worst the ph is fine its at 5.8 what should i do???

some of my fan leaves have purple stems but the water temp isnt cold??? im trippin out

flush flush flush and then flush some more. looks like nute burn, nothing a good flushing wont take care of.

aight sweet i was hoping it was nute burn but i tested it before i put the water in the res and it tested fine but im using the plastic vial the ph up and down come with to test my ph and it was fine can i still get nute burn that bad??? i will just flush and use just distilled water with no nutes till it clears up

okie dokie its been flushed then put the ladies back in ph'ed water(pure distilled water) with a ts of forla shiled and a cap of peroxide does that douns like a good plan or what???

that wasnt nute burn i think they got rotten from roots tangling together