Whats up OGs i been growing for a while now on and off my last grow was the best one nd i learned alot , this time around i got a plant from my boy nd it was doing good he had 3 plants in one pot they were all kind of tall nd hitting there 5th node , yea sad i know , so i ended up killing 2 plants so they wont compete for root space although i was worried because those other plant roots that i killed off was in the soil already so after that couple days I transplanted into a 2 gallon pot she was doing great in growing in ffof but when i first got it my friend didnt know what soil he had used to first grow it before I transplanted to ffof so my problem is i got purple stem nd stalk over night leaves are green but new growth is offly purple nd im still in veg also i keep water at 6.3-6.5 nd my soil keeps rising to 7.0 7.1 i never had this problem so i need your help , I apologize for the long story