UV Coral Reef Viewing Glasses for Saltwater Aquarium, Reef Tank | UV Glass for Coral Reef Tank. With UV aquatics coral viewing glasses, let you see corals in a whole new way. They are specifically made to balance the blue light. You can also take the images with our glass from your phone like professional and easier. See the genuine colors of your coral! With our orange-tinted glasses, you can see your fish and corals in a more natural light by blocking off the actinic blue light that is prevalent in saltwater aquariums.