Hey, welcome to the Farm! ✌ Everyone had to do a first grow, and we all had to ask questions. Glad you're here.
Definitely take some pictures without that blurple light.
Give us some information on your feeding and care details. Temperatures, RH, pH, nutrients.
I think
@growsince79 is suggesting that your existing lighting is not enough to encourage full flower growth. If you have a smartphone, install "Light Meter" by 'My Mobile Tools Dev' and check the light levels hitting your leaves. For bloom you are looking for readings in the 50k range. See:
https://www.royalqueenseeds.com/blog-how-to-use-a-lux-meter-to-increase-your-cannabis-yields-n977