Thanks for the fast reply Mike, so you think it has nothing to do with the humidity? the floor temp is a bit on the low side ill get him to put some polystyrene sheets under the pots for now, and ill let him use my ph tester to test the soil run of, but last time we check it was at 6ph, he's...
these plants of a close friend of mine are displaying these symptoms, all new growth is curling and rolling upward.
The temperature in the room is defiantly not to high the lights are at a decent distance from the top of the plants and they only 400w hps, the only thing that i can think, it is...