lighting
OK I have 2 400watt radiums on 2 m59 ballasts. I am going to upgrade the ballasts, they will either be a pulse start ballast or the HQI ballast. So my question is is it worth the extra $130 dollars to get the HQI ballast(Intensity wise)? Also if in the future I decide to switch bulbs to say Ushio's(sp.) will both ballasts run that bulb correctly?
Thanx
Trevor
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