i have to be honest,i failed.im not good advice man.i just have friends in a non legal state,that i ship them there nutes in a non related grow box!lol thats what they use,and have since day one.always been hydroponic.and that was just my finding with the gh flora series.i use it in soil,figured it was for hydro to.may have just beeen reaction with my crappy water? idk exactly what happened.but i pulled her and put her to soil,and shes good now.take better advice than from me on dwc brother.hahaha