Why won't my plants grow cant seem to get past first true set of leaves and then they just seem not to grow....my ph is in the right range, ppm in the right range, temps and humidity in the right range...I DON'T GET THIS AND ITS TRULY IRRITATING AND DEPRESSING ME SOMETHING TERRIBLE ....IF ANYBODY ANDCI MEAN ANYBODY GOT ANY ANSWERS PLEASE REPLY!!! I've been at this for 7 months straight with NO SUCCESS I AM CRYING AND BEGGING PLEASE SOMEBODY HELP ME--