The Best Troubleshoot Metal Halide Light Fixture Ideas. This can simulate daylight in some cases. Web if the lamp is loose in the sockets or the base is distorted, the lamp won’t seat correctly.
Replace or discontinue using any hid bulb if it starts operating erratically or has a major color change or loss of light output that develops over a couple weeks or less. Without a metal halide ballast, the lamp will not work properly. If you have a 400 watt probe start metal halide lamp, you will need a metal halide ballast specifically designed to run that.