When harvest, how long do i keep fertilizing?

She looks like she flowered pretty late, i suggest she will push new pistils the next days and needs like 3-4 weeks, especially looking at the other buds in your diary, atleast i hope so for you. Amnesia, even if auto has long flowering times. Maybe she maturing now, but then buds will be small. i would heavily fertizlize right now, you can see the end of flowering, she will stop pushing pistils and budgrowth. Also you can see the end of flowering by the watering, she will need way less to drink and wont grow anymore, just mature. when this happens you enter the last 2 weeks of growth. The last 7-14 days then you can switch to only water+ph regulator. Harvest you can choose after your own taste, some harvest when 5% amber 80%milky few glassy, others go for 30%Amber. Anything in that range is good, if you wnt less thc and more cbd you could wait even longer. But give your plants some time, they not there yet Happy Growing Mate👍