I wait until I see flower action before I start giving flower nutes but if you flipped it won't hurt anything either way......you'll learn that a feeding schedule is just a rough idea and eventually you won't need them anymore .......keep a detailed journal on everything you do on your grow including different strains .......I've kept a detailed journal for many years and the wife knows if the house catches fire I'm saving the journal first then a few other things then her ......GL