well u need a micro scope to check the trikchromes when they totally cloudy and u see a few amber ones then start to flush u only have to flush for like 5 to 7 days and if u going all organitc u dont have to flush when your trychroms are 30 percent amber they are ready to take down thats what i have always done and it works for me i never have bad tasting stuff well hope this helps peace puff puff pass