i mix them up through whole grow id keep your current setup the 6k work fine for flowering as well. i have 1 growing now along with afghan kush ryder and LR2 check them outwhen should i switch to all 2700k lights for flowering they showed sex a few days ago so i was wondering when i should switch im on day 25 i currently have only 2 2700k lights w/4 6000k lights anyone....anyone.....