Suitable for coral tanks for 38 x 24 inches the marsaqua light panel comes with 2 dimmers so you can control the white and the blue lights separately.
Aquarium fish tank blue and white led light.
There are even arrays with different colors of led lights you can program for your needs.
Joyhill led aquarium light waterproof submersible fish tank light with timer led light bar with 3 light modes dimmable of white blue light for fish tank 20 inch 22 99 22.
If you want a night lunar light that will make your fluorescent fish glow 445 nanometer royal blue lights are popular.
The first dimmer is used to control the 50 blue led lights while the second dimmer controls the 50 different white lights.
This allows for greater light customization.
Buy aquaneat led aquarium light blue and white for 36 inch to 44 inch fish tank light fresh water light.