We done a thread on it .it will be kicking around somewere. we done some research on its affects at producing females when admimnistered while germimg and early veg it never got finished though we got good results with it we didnt decide if it was its stress releaving properties cause you know stress early on can make more males but the results were defenetly positive actualy mobay swears by it and his female to male ratio is exellent but as said ,not to be used during flower definetly makes airey buds. be safe the postman.