I've seen 430 watt bulbs for use in 400 watt systems...can I use my 600 watt HPS with my 400 watt HPS ballast? Isn't that the equivalent of using a light dimmer on an incandescent, still works, just not as bright? My 600 is too hot and my 400 doesn't give me the light I want. Can I juice a little extra light off my 600 this way?
600 watt HPS in 400 watt ballast
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