Week 5 or 6

No need to do anything, just keep them happy!

You are still a ways out pal. I'd hold of if I were u for at least for 10 or so more days Prepping for when harvest cones Last week. You should be pulling of nutrients. And soft flush. You will see leaves lose their color a bit if timed right. Your buds go hard, then within a few days 2 a week of that. U are in ripening Lower ur intensity of light. Make sure the day of harvest your soil is soaked. U want as much fluid intake as possible. The longer the time it takes to dry, the better Harvest whole, when she's 2/3rds into drying. U can remove most of the leaves. And the bud will try better.