I thought low ph as well RT....but hesitated to say something because I wasn't sure enough about coco to say. I would keep my coco stuff at something closer to 6.2 but I'm really just guessing there.
Weedhound Reviewed by Weedhound on . Still fighting Yellow w/brown spots I am hoping someone can help me before this poor plant dies. The stats: Plant was fine prior to transplant. 4 week veg (mother) 400 W halide 20" away Day 74 night 66F Coco / 20% perlite in 7 Gallon grow bag. Well water P.H. 5.6 and cond @ 23 ppm Rating: 5