where can i buy single 400w horiz CMH bulbs?

Oh, just fyi for anyone interested, (remember this is subjective)with the bulb having been on for 30 minutes or so, i can still touch/hold the end of it. It is HOT anywhere near the middle though. And the light is so "white" that it'll make you see spots for a while. ...shoulda wore sun glasses. Just remember reading a post somewhere on here once, where someone claimed you could hold the bulb while running, not so sure about that...However, if it were a HPS or regular MH bulb, there would be no touching it at all anywhere, or instant burn...
 
not sure if this holds true for CMH but it is not a good idea to touch the bulbs, oil from your fingers shorten the life of a bulb
i deal with A LOT of HID lighting w/my real career. Never noticed a correlation of shortened bulb life if you touch them once or twice. Car halogen headlights being the exception (they burn out fast if you touch them). I have to say that i generally keep my hands "clean" when touching bulbs also. Clean being a relative term
 
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