Should I Flower or Wait?

[spongebobsmokepants]

I have a good question.

Would it be ok to go to from 24/0 to 18/6 and let them pre-flower and stay at 18/6 for 2 weeks then 12/12?

Just an Idea.

18/6 is still vegging. You will not develop flowers until you switch to 12/12, or you plant matures.