Well yes it's N deficiency, but very strange that this only happens in vermiculite perlite mix, lights are the same as i use before, nothing change there.
I will lower the lights power and add a bit more AB to 1.0EC,
lamp turn down to 30%, distance 60cm to canopy, all did 6 days ago, new leaves showing same symptoms,
what I did 2 days ago, to repot her too airpot with 50/50 vermiculite perlite mix, before was fabric pot with 70/30 what was mich to wet
EC 1.0
pH 5.8
Temperature 24c
Humidity 53%