one of our kush plants that was given to us is having a few problems. it was transplanted from soil to dwc. it is a lil droopy and the stems are turning purple. here are a few pics. the roots have alrady grown alot in a few days. there is about 2tsp of grow, micro, bloom and thats it. it ias about 4 weeks old from seedling. what do you think?? thanks for any help