Dymax Compact PL 55W Tropical Marine Aqua replacement bulb is a full spectrum marine light source. It produces a pure white with slight blue spectrum that is ideal for the health and growth of marine fish, corals and invertebrates. has a wide operating voltage range. It is designed to have high luminous, with high performance while having innovative energy saving efficiency. Luminous flux: 3850Lm (55W x 70Lm/W).