I like your idea of staggering the bulb times but i think you might like it more visually if you did the traditional blues on first then white bulbs on second.
The fiji purple is a strong bulb and if you run it with just one other bulb or even just two other bulbs the color comes out very pink and kind of funky. Most people suggest running it with a minimum of 1-5. 1 fiji or actinic white with 5 other bulb/white bulbs to keep the color realistic.
If I were you I would run it something like this. I don't know exactly how your lights come on and it what order but I am assuming you have the ability to control the lights in 2 bulbs at a time. So I would do the following.
Same combo for each half of the tank: If you tank is more than 18 inches deep run the lights for 12 hours. If you tank is 18 or shallower run them for 10hrs max.
2x ati blue plus 6am
1x ati blue plus + fiji purple 7am
1 x ati aqua blue + ati blue plus 8am
1x ati aqua blue + actinic white 9am
Reverse cycle and stagger the opposite.
There are a few benefits to something like this vs. 2 on then 6 on. You will visually mimic the suns brightness and pattern. Visually it’s not boring. You will be able to see 4 different color schemes with 4 different effects on the corals color. At any giving time during cycle you could see something different and you balance out the pinks of the fiji purple and actinic white. It is easier on the corals and fish as well, the sun doesn’t just have one strength and color. It changes based on the time of day and cloud cover. Let me know what you end up going with because i would love to see some pictures. I have used all of these bulbs and I think you will be happy with the.
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