First grow with pics question on one plant

blue dream day 40



pure kush day 40 any ideas on why the leaves are curling?

pure kush number 2 day 40




leaf of pure kush from pic 2



pic of all 4 plants back 2 are pure kush bottom left is citrus saturn og and the bottom right is the dream




firat grow day 40 of flower today just wanted to see wat u guys think on the firs grow

Awesome looking grow brah!

Oh ya, bet it smells real good...

u gotta get pretty close to the buds to get the smell but damn they all smell so sweet first timer here so im guessing the smell should get stronger in these last couples weeks