For a few seconds there I thought that this was a joke, you know when someone writes something completely absurd, making fun of some really irresponsible people.
Switch the lights off and leave then off for a week. Then put them on an electronic timer to be on for 6 hours per day.
If you are wondering why, try sleeping with lots of lamps pointing straight at your face. I recommend that you start using common sense when it comes to your pets, what you have done is irresponsible.
Also, what are your water parameters? What maintenance do you do and how and how often?