you will give her that in water and flush the plant for about a week or 2. you could also just give her ice water for a week as well, but water does the same as the flawless finish, the extra stuff like that the nutrient companies say you need, esp, flushing is just hype. water is a great flushing agent and it does not cost as much, we all learn while we grow and pick up tricks that we can pass on as tips. if you have the flawless finish go ahead and use it, if your going to buy it then stick with water and save some money to get more seeds with. the ice water though sometimes helps to bring out the colors in some strains as it shocks the roots, they push the plants to produce cool colors as well as more trichomes, you know the little heads that have thc in them. i hope this helps but your plant looks really nice, great job growing her