sweet as, for me I just don't see the point in stuffing around trying this that and the next thing, simply vege for 2 weeks with no food,then vege for one week with food,then flip and feed till it's done, simple as that.
I do 13 hours dark and 11 daylight. If it takes 12hrs for a photo period plant to build up enough hormone to bud That extra hour is going to assure it.