my plant is Pakistan ryder 29 days old my soil ph is balanced at ph of 7, I watered with 1/2 tsp cal/mag tap water left out for 72 hrs ph,d to 6.4 on day 20 (because she showed sex at day 15) and fed on day 26 1/2 tsp grow big 2 tsp big bloom ph d at 6.6 so I cant figure out this problem it started on lower big fan leaves,any help would be cool