Flushing with flawless finish

Products like flawless finish or GH florakleen are designed to aid in the flushing of nutrient salts, and can speed up the final flush. Growing in coco/hydroponically, the flush can happen quicker and later. The whole concept of the final flush is a little bit controversial, as there is not a lot of scientific evidence supporting it. It may cause late flower stress which may in turn increase trichome production as a stress response. I usually do it in the final week, if at all, when growing in coco. If there are signs of overfeeding then it can also help correct that faster. Your plant looks nice and healthy, so I would flush 1-2x container volume when it it is ready to harvest, then just feed ph'd water for a few days and then chop after 24-48 hours of darkness. But that is just my personal approach, in the absence of hard evidence you will find a lot of conflicting advice! Happy growing 🙂