If you have an older pool with a white incandescent or halogen pool light fixture, you may want to consider changing the old light fixture to a LED Color Changing Light fixture. Besides cutting you light operational cost drastically, changing to an LED light fixture will give you up to 5 color options and 7 light changing programs. For commercial pools you may want ot change to a LED White Light fixture. Your current light fixture is mounted in a permanently installed light fixture housing, commonly called a “niche”. Not all light fixtures fit in a given niche. This guide helps you select which of the more common Color changing fixtures will be compatible with the more common niches. For a more general discussion on pool light options, see our guide on “How To Understand Pool Light Options”.