What's your VPD, or what is your temp and humidity? Maybe she just stressed
I think your VPD is too high below 50% RH and 80°F is probably over 1.5 VPD, since your still in Veg you want less than 1.2, even 1.0 would be better. Add humidity to about 55 or 60 RH, see if she bounces back then.
You got this!
❤️ The Fatty McCoy
hi mate, TheFattyMcCoy is spot on here. your vpd is ludicrously out of whack causing you all kind of nutrient uptake problems. sometimes this can be fixed by simply reducing the power of your light. less light = less heat = more humidity = vpd in range = happy plants! I hope this helps man cus im running the same strain and I wanna see how your lady turns out! 💪