GMSgrowsanswered grow question 3 years ago Cut your light back to 18 hours. She needs rest. Max feed for autos in soiless is 600 ppm 1.6 ec 500 is ok for where your at so far. Bring your ph up to 5.8 and try to keep it there until she starts to bud then to 6.2 to 6.3 Cheers