looks like over fert... : (
I am thinking you better put them back in veg mode...
Let them heal.. flush... flush... distilled water from the market..
Clone...
then FLOWER..

could take a month ...

they look save - able : )

good luck
Garden Knowm Reviewed by Garden Knowm on . Major issues with plants. HELP!! PICS BELOW AND IN MY GALLERY ALSO! Seeds or clones, source? Seeds FIRST GROW How old are the plants? 66 days How big are the plants? 1'6" - 2' Lighting wattage & distance? Veg'd under (3) 45 watt flouros 24/0; 400watt HPS w/remote ballast Soil ingredients or hydro system? Miracle Grow Soil 4gal. plus 1/2gal. bone meal Container size? 5gal. Watering frequency? How do you judge this? every 5-7 days, moisture meter (1=dry; 4=wet) kinda basic soil meter but okay. Fertilizers used and how Rating: 5