We'll need some more info from you to be able to help. Pics would be better.

What lights are you using? How close to the lights are the plants?

What medium are you growing in? Soil?

What Fertz are the plants getting?

Laterz
Sativagrowin Reviewed by Sativagrowin on . need some help please hi all just need a little help on a couple of my plants the leaves are curling upwords at the sides any ideas?? and on a couple of other plants i have brown marks on the under leaves and some of the plants look pretty lite green for some reason thanks peace out 1 love.... Rating: 5