Edges of leaves curling Help please !!!!

i have two nice healthy females, but i noticed a prob. with them today. the tips of my leaves are curling slightly to a brownish color. is this a nutrient deficiency or could it be from to much sunlight?

Heat stress? Under watered? Pics?

sounds like heat stress.. pics would help alot.

i heartmj said:

sounds like heat stress.. pics would help alot.

Click to expand...

Here is one of the Females the other one has the same problem with the leaves