so i'm looking to replace the lights above my plywood tank, its only ~18" tall, the back walls are painted a light brown/tan color and the lights I currently have are a 4 ft t5ho grow light and a 3 ft t5 bulb (tank is L shaped). it's too bright in there, it stresses my fish and they just hide all the time. I still want to be able to see their colors and everything but want it to be darker. I've been thinking a cheap diy led project, but I have 0 knowledge with what I should get so i'm leaning on you good people. I would like a dimmer and or some sort of sunset/sunrise function, a dimmer would probably be fine though. because of the shape I need something long ish. one side of the L is 4' the other is 6' so it would need to be a string I can bend or maybe some pods or something I could wire together. also I am real splashy so if anyone knows the best way to avoid electrocution that would be great too. i'll do some research myself, but please tell me exactly what I need. lol. thanks