Yes, I flushed my sativa with AN's Flawless Finish, even though I am skeptical now about the value of the flush. I flushed em for 8 or 9 days.
Glad to hear you flushed your girls! Ever since I had nute lockout, I guess I suspect everything is that, but here's the deal: we're feeding this specialized cannabis food, and I'm wonder how could they be deficient? So if there's lockout, it will look like a deficiency. When it happened to me, I added calcium and the leaves looked far worse the next day. So I removed everything and replaced with just plain pH'd water for the 48 hour flush. I'm going to do that this weekend to my small box grow, I have the feeling they will bounce back with a vengeance. I think it is a really good idea to do it on a regular basis, I just forget to...