Any one could tell what cause leaves to do this?

[bringyalungs]

Like that funny curl up thingy... Where the leaves curl and bend in like a banana

 

[Sat X RB]

need to know more details of grow ... leaves do this for number of reasons. eg: because growing medium too dry, overdose of nutes, insect damage ...

tell us more ... fill out form in thread "Cannabis Infirmary"

 

[LAMBS-BREAD]

seems like the solution is too hot, back off the food a bit.

 

[Avinash.miles]

"the claw" is what it looks like, my name for the symptom...
cause?
could be too much N could be just too much food like lambsbread said..... also could be a lil bit of overwatering along with the overfeeding and hihg N