Flushing problems with my beautiful, Advice?

So my beautiful girl is on her 8th week of flowering. She has about 25% red pistils maybe a little more and is from some dank nug that I got that had a few seeds.

I started flushing a few days ago (I plan on flushing for 2 weeks) but the tips of the leaves and almost half of some of the smaller leaves near the bud have started curling and dying.

I also noticed the leaves on the top cola are turning very purple (not in cold weather).

I am sure this is phosphate or some kind of deficiency but am flushing because I did not use organic nutes.

Is this ok for the leaves to be dying because they aren't getting nutes?

+rep for all help I don't wanna lose her,

Thanks!

how are your trichomes looking? those look like they have quite a ways to go yet imo.

I wouldn't be flushing that plant yet....I think you are a lil early