Only time I've seen that is over watering or spider mites. You must let the soil dry between waterings and spider mites can be seen as tiny black dots on the bottom of the leaves. They can be taken care of by two damp sponges being lightly rubbed on the leaves to get them off and destoy their webs. If the leaves started turning yellow on the edges before this happened I would say its spider mites.
super.dank.kush Reviewed by super.dank.kush on . What's wrong with my plant I think I have nuke burn but only like 5 of my girls are looking like this and they are not in the same grow area some one plz help 291673 Rating: 5