who knows? leaves curling....help\\

hey guys, hopefully some can help me figure out whats wrong with my plants.
Im using rockwool, 1000w hps light, botanicare nutes, temps are 65-76.
ph is always between 5.8 and 6.3. ppm is 1400-1500.

I have never had this happen to me, her are some pics, and advise would be nice..

no one want to help me? i know im new to the site... but come on guys, lol just playin....

really tho, noone can help me?

......come on

nute burn. i saw that image on the web of those leaves.