3rd grow

I forget which is which for pics, but I'm at the stage where the 1st pistols turned orange then a 2nd set of pistols forms, that's on the purple plant, on the snowball plant, the buds are completing formation and are turning orange, but I don't know if they are gonna pop more pistols. When to harvest, A) well, day 71 was Sunday, so the breeder info says 77 days, B) Weather is heat waving the next 3 or 4 days 70-80f, they been living in 60f C) moon phase is in 1st quarter, you know, dark night, sugars D) Wait for more pistol pops like a 3rd one, E) smell it ,they aren't losing much terpenes at all, I smell them when I walk by, noticeable. They waif green and skunkish, each day getting stronger. I guess I'll see on Saturday to see if I wanna chop them or let them go another week. The plants are big enough that they are feeding themselves, not cannibalizing for N. One day I got color in the pistols and by the end of the day they are covered, no color, also the red stem of leaves are white again. No stress at all. Watering about 500ml 2 times, they are not slowing down. bottom feed and they both suck up 500ml in maybe 30 min or less, a shift later, they are semi light again when I lift them. How do you flush if you bottom water and use just ph water? I don't know, but they been mostly sucking up water, no toppers, only the aminos, So I'm thinking the last amino nute was Friday, they getting lots of water, I guess I can flush mon then thurs