How to switch to flowering

Hey Know2funk, Like our fellow growers said: Make the hard switch to 12/12, they will stretch for another 1-2weeks while going into flowering. You don't want to go down from 18 to 12hours slowly which will take unnecessary time. I like to give them some root booster for the last time while going into this stage, Don't forget to change your timers on your fans as well or give it a little breez while being in nightmode ( i personly like to give them some rest from the wind while ''sleeping'') Good luck growing :)