dry brittle leaves

This single Blueberry Haze plant has been growing in a 8x8' room for approximately 8 weeks, leaving 4 more weeks for flowering (roughly). All the plants have exhibited weak moments - drooping leaves, discoloring, etc - but have recovered brilliantly with proper correction. This particular plant...

So i have noticed a while back that the surface of the leaves in one of my plants are very dry and brittle looking , and some of the small leaves that grow inside the buds located at the base of my plant are even drying too , seeing the buds partially drying allerted me to the fact that this...