I continued with the nutrient plan as the weeks before, the light change. I did not give BioBloom and Top-Max this week.
Furthermore I slowly started increasing the power of the light during the week up to 35W.
@Zarayju, Sorry for the late answer, I was not checking here frequently.
I've bought those from Lientec-LED. They also offer a lot of DIY-Sets. Keep in mind to also order some aluminum profiles, as the heat of the LEDs needs to be dissipated.