leafes problem

hi my plants(big bud) have verry nice leaf's but the ends of the leafs are like hooks?its a problem?liook the pic's and tell me pls beacose i'm so scarry!!!tanks

looks like your ferts are a little high. I also see the begining of mg deficiency. back off the nutes abit and feed with epsom salts. are you phing your water?

damn those are some dark green ladies! they must be getting just a tiny bit too much nutes cause other than to curled tips they look great!

when I haveto start to put nuts into my plants?and when i must start flowering now they are from 30-50 sm. tall

huh? that second pic bottom right is magnesium deficiency. treat with epsom salts.
are you not feeding them now or are there nutes in the soil?