70% to 80% pistils turn red,can as soon as 50% red ,don't go past 80%,start losing thc,it changes,up to you,pics hard to see but i thik you need to wait,when you think they are ready ,wait 5 more days,last two of them dark,cut,hang upside down,this lets the smaller leaves incase the buds to protect the buds crystals from geting knocked off,clip the big fan leaves, While drying turn lights [on - off ]on timer,not grow light,,,,just light to help get rid of some green color ... improve taste...for a day or two or three...