need help. i got a skunk strain im growing on the rainforest 36 i just came across. so i put the plant in the system, and followed the directions on the back of the nute bottles. i dont have any pictures but the tips of the leaves are curling and spiraling backwards, and the tips are brown and the leaves are kinda folding up wth is the problem i followed the directions i read the whole manual before i did it. whats wrong wiht this plant?