Dymax REX Aquarium LED Light 180cm Aquarium lighting is an essential part of a healthy, thriving, and beautiful looking fish tank. Corals require a certain light spectrum to grow and the right light will also highlight the spectacular colour of your fish. The Dymax Led Lighting provides a balanced combination of Multiple LED's for optimal photosynthetic activity, coral growth and viewing. These lights provide Full spectrum lighting plus essential actinic blue spectral wavelengths that promote and support strong coral growth as well as enhance its colour. This Fixture also emits balanced light for accurate viewing of fishes and the aquatic environment in the aquarium.