why dont you just accomidate for 3 ladies if you get all girls that is, otherwise you just wasted enough money and time.....
keep it dude, youll only regret it in the long run, trust me :)
Some more details would be nice mate, but really we need pictures... could be a few things...
What i think you have done is "burn" the roots with a to strong of a fertilaser/water mix. Try flushing with just pure water (bottled distilled water, or leave a container full of water overnight so...