ICE & Chrystal 2 week old clones rooted under an LED light have been out side for the past 4 days for natural sunlight I know its bad to use but its in Miracle Grow moisture control no added nutes for feeding since transplanted from rock cubes to soil... only water I just flushed to maybe fix the problem with water at 6.3 ph, I had no other choice my PH up/down was in the room with my sleeping ladies all new growth is dieing at tips and edges as well as dark red/purple stems This is my first ever post on any forum please provide any information you may know. ive been reading for hours and I cannot come up with a solid answer for myself, I need help