Q. The instruction says that the lamp needs to be replaced once a year. Will there be any trouble if I don’t replace the lamp?

A. For both fluorescent and metal halide lamps, it is advisable to replace it about once a year.
Illumination level of fluorescent lamp substantially lowers in 6 months to 1 year. Therefore, fluorescent lamp should be replaced to maintain stable illumination intensity. For metal halide lamp, the color rendering properties deteriorate after 1 year and the green color will not stand out in such a condition. An old metal halide lamp is easily subjected to excess current, which can result in broken lamp or overload to electronic ballast. To use your lighting system safely for a long time, please replace the lamp periodically, about once a year.

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