The next-best thing to the sun, the new Hortilux Blue 1000-watt, metal halide bulb provides near-perfect replication of natural sunlight with more of the blue spectrum than other brands. With a blue-, green-, and red-light ratio similar to that of the sun, the Hortilux Blue Bulb enhances vegetation and optimizes overall plant quality. The Hortilux Blue Bulb emits 80,000 lumens, burns in the horizontal position, and boasts a 6,000-hour life.