]HELP. i think i've kill my girlz, i am in 4th week of flowering with GH. my store ran out of liquid bloom so i was using big bud instead,when they got the liq.coolbloom ask if i can add to res, they say yes and like a dope i did,well they look like they are dieing,I've flush and rafill with half strenght nutes,is there anything elce i can do.the set up is DWC in a 3x3 tent with 400W HPS.1st grow, so any help will be appreciated.