One of today’s hottest trends, underwater color-changing light systems give you the ability to change your pool’s color theme for any nighttime event. A patriotic mix of red, white, and blue for the 4th of July. Quick flashes of bright colors for a birthday party. Slow transitions of soft colors for a romantic evening. It’s like an instant pool makeover. But the magic is not limited to your pool. You can also light up spas, fountains, and other water features to match or contrast with your pool light show.