Looks like some serious nute burn.... They look fried....could be heat stress....could be a little of both....

What are your light/dark temps? What's your water/feed schedule? Is your grow space completely dark during the dark period?

CGI::::::
CanGroIt Reviewed by CanGroIt on . plants are dying this has happened before all my bigger leaves get discoulerd yellow sometimes even brown and crusty then all the little leaves die and im just left with the bud and it eventually dies as well i cant figure out whats happeneing. maybe its too hot since im having heat problems but ive had a lot of problems the last two crops and need some help. Rating: 5