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Old 08-27-2006, 10:13 PM   #11
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MH lights like

/ \

and fluro like
| |
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so therefore halides create angle try this at night with a small torch and you will see amazing rippes its because of the angle.

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Old 08-27-2006, 11:20 PM   #12
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So are you trying to say light coming out of a round tube flourescent bulb directs the light ONLY in one direction? Down? So if I look at the side of the bulb there's no light coming out? Interesting. How do you know which way is right side up before you turn it on? You wouldn't want the light shing up only. On every flourescent bulb I've ever seen, the light comes out from all 360 degrees. Some reef bulbs have a reflective coating over the top half to reflect more light down, but it still comes from the sides too.
And your diagram shows a mh doesn't shine directly down? I must have special bulbs then, cause mine sure do shine down, and up, and sideways..in fact light comes out of a round, horizontally mounted mh bulb from all 360 degrees.
Forget your angle theory It's all about the intensity.

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Old 08-28-2006, 12:03 AM   #13
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I have no idea what he is talking about. I'm with you cccapt, my bulbs shine in all directions that's the point of a reflector, to get as much of the light to go in the direction you want, usually straight down. Oh well......

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