im at he point of just pullen em up and starting again lolsounds like overwatering..
never there job is to sell you products so sometimes they will make things far worse than good,un-less its a friend who you know does the greeagage them selfs i have a couple who know there stuff learnt loads of them just don't take info on board of a grow shop,owner ya don't knowI don't think you should take advice from a guy at the hydro shop.