Lights are at correct distance.
Don't use any fertilizer yet. Give a HEAVY watering and punch more holes in the cup.
Make sure you have lots of air flow and try to bring your temperatures down, because that is a major problem, and if you are over-feeding, high temps make the damage much more dangerous.
stinkyattic Reviewed by stinkyattic on . PLEASE HELP LEAVES CURLING hey all this is my first grow, i got AMS feminised seedlings, about a week old. i grow in soil water pH is around 6,3 added some root juice to it temperatures are a bit high, i live in a hot climate - 27 - 30 C have two 55 watt CFL's, keeping them pretty close to the girls constant ventilation, in and out the leaves are curling like crazy, first sets look like little tubes what can be the problem??? Rating: 5