I'm using 2 par38. One is 3b2w, the other is all blue, also have a strip of led with blue and red.
Led strip will goes with the par38
1.led strip on
2.led strip + par38 blue
3.both par on - led strip
4.par38 blue + led strip - par38 3b2w
5.lastly left led strip on till bed time
Total hour for whole proccess is 8hrs.
Total hour for all light on is 2hrs.
If more will have algea grows