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I have a question about MHD lamps. The set up consist of a ballast,
capacitor and an igniter , them the actual bulb or lamp. Do the 110v and
220v systems use the same bulbs? Does going thru all the ballast and stuff
change the voltage or output to a set level making all the bulbs workable
in 110v and 220v systems?
Does anyone out there know?
Also would 5000K MHD bulbs be sufficient for planted tanks if you had a
2-4 watt ratio?