Thanks for the answer, W1taker.
I was thinking in going 20/4 1 week, then 16/8 another week, and then 12/12 and changing light type to 23 w CFL 2700 K. I still do not know if I should just use 2700 K on flowering or both CFLs, but, on the top of that, I still don't know when flowering should be...