HOnestly looks like at least 3 weeks from the large amount of fresh stigma growth. That plant is still actively trying to grow more buds for you. Once that stops or drastically slows and the stigma actually redden and shrink up, then you are at about the 2 week mark.
I have been running hydro for 10 years now. I feed with lower levels then some guys do, and I feed right till harvest. The flavor and smell of my buds ALWAYS smacks people in the face, and I always get a wow this is tasty. Smooth smoke comes from a nice slow dry.
i think she has too much stored nutrients. id expect 3 more weeks butI've done a lot of DWC grows and I'd keep the ppm where it's at and let the plants feed off what's left just topping up with water. Maybe some epsom salts to add some extra sulfur but they look like they may have 2 or 3 weeks before prime time.
I find most strains fatten up noticeably the last couple weeks and like to see some yellowing in the older fans at the end. Lot of green in those yet so they can steal nutes if they need it. Sulfure isn't a mobile nute so good to have a bit in the tank.
Good luck and a good harvest!
Even if you can't wait, I think you will still be happy. But I don't know much about DWC since I'm using soil, so someone else can chime in on that one.i think she has too much stored nutrients. id expect 3 more weeks but
i cant bring this plant to full maturity and she got to go in a week due to filter and ventilation problems that i cant fix till i remove the plant. sucks but shit happens
would it be best to run ph water for the rest of the week before i have to kill her or just keep will chop like i normally do