Glo Marine-Glo T8 Fluorescent Aquarium Bulb, 30-Watt, 36-Inch

The Marine-Glo T8 is a linear fluorescent 30-watt an 970 lumen aquarium bulb. Delivers a powerful actinic blue light emission that is essential for all saltwater aquariums. The bulb emits an ideal blue light that highlights the fluorescent colors in corals and other photosynthetic invertebrates as well as provides the critical wavelengths they require for strong growth. The strong blue light is also effective at enhancing fish colors, accentuating blue and violet tones. This normal output bulb fits all suitable standard and electronic ballasts. It is recommended in combination with Life-Glo or Power-Glo, as well as for settings requiring added actinic blue spectrum. It lasts upto 7,500 hours. This product weighs 0.45-pound. Measures 36-inch length.