Recent content by meenjoegreen

Hey guys I just bought a 600w 120/240 Volt dimmable/switchable super lumens Lumatek ballast model LK600. It has a switch for 400w and it says I can use a metal halide bulb at 400w. What is the best possible 400w metal halide bulb for me? I am planning on using a Lumatek 600w HPS High Par...