@Weedseedsexpress, It really is okay, the problem is the medium, but she is already very stressed and started preflowering so I am not going to repot her, and I already gave some N. Thank you for stopping by, sorry for this grow^^
@FR_PhenoFinder, don't know if you pin pointed the problem already, if not, I'd recommend reading the following blog: https://www.growweedeasy.com/why-cannabis-leaves-yellow