Hi Matt
Depend on how high your light is from the water + what corals u have + where the corals are in your tank...
I got mine about 8 inches off the water. Blue start from 30% up about 10% every hour until 80-85. Then the white is on for 3-4 hrs from 10-25%. Then blue goes down and off. Then moonlight is on for 4-5hrs
Also u need to get a par meter and see your intensity / different in par in diffrent areas of your tank/ rock.. A lot of things to keep in mind
For bleaching color. I will move those corals down or turn down the light
Text me if I have any more questions on this
404-421-4670