nute burn possiable pothash burn ;(

high there i have 2 clones in a dwc im up to week three and i think i nute burnt my plants with pothash i added 1ml of pothash per ltr and the next day i noticed my fan leaves starting to die by day 2 a lot of fans leaves died ;( i have flushed with ph water and have got them on half strengh nutes with some house and garden roots tonic what eles can i do ????

you already did what you should have. nothing else you can do but wait and pray. what leaves got nute burnt will die. and always remember to its better to add nute at 1/2 and add more later than it is to add to much and burn them.