Welcome to the forum.
The yellowing along the side leaf points is light burn.
She is growing closer to the lights.
Burned leaf tips:
This is a sure sigh that salt / E.C levels are running a little high in your medium.
Your over feeding. Not a lot but it's showing.
Welcome to the Farm!many thanks for the answers
I doubt is light burn
I do believe is potassium deficiency :: my error before when writting phosporus deficiency
over feeding... I do not really think so, I'm more into underfeeding
Welcome to the Farm!
Is that your first grow?
Most of the people here are really experienced in indoor, outdoor gh an commercial grows!
I'm not one of them but as hint give them an opened ear, they know what they're talking about. Less if often more! Light & nutes.