Aquarium How To? Metal Halide Systems January 2, 2021 Hull By: Marineperson Metal-Halide 5 views You may also like 9:08 CHEAP! HID / HPS / Metal Halide Grow Lights 4 views Metal-Halide 12:25 METAL HALIDE (400 WATTS) Good bye electric bill for Aquarium lighting! 3 views Metal-Halide