ok so "my freind" has some plants that are wilting no matter what he does... hes expeirienced to a point, but he cant figure it out... the only thing he can think of is that the ph may be off? does anyone have any expierience with lowering the ph of potted soil while the plants are still in the pot? he would love some input... so would i.. the bud that he has grown in the past was AMAZING!!! and id like to smoke some again... PLEASE HELP!