How much are you feeding her? lol she's still very young my man.
seeing a tad bit of nute burn, not seeing deformities?
you had a lil nute burn, but the new growth looks good imo.. always comes in that lighter shade like that..
i wouldn't fret it too much, back off the nutes a hair, and you should be good to go imvho..
Using RO water are you supplementing Cal/Mag?Ro water and temps have been no more than mid 80's