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Old 06-11-2008, 05:54 PM   #11
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Cmor, you are 100% correct. The pro version is not parabolic. I have a pic of one at home. It is simply 1 sheet that is rounded for each bulb. I got the pic from current, who stated he, "didn't think there was much of a difference between the two".

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Old 06-11-2008, 09:11 PM   #12
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I'm no expert on the subject, but have done a fair amount of reading. The big deal with T5's has more to do with the reflector than the bulb. Because it is a single bulb, unlike a PC, you can use a parabolic reflector to increase the amount of light hitting the tank instead of being wasted in other directions. I understand that the W shape reflector is nearly as good. If the Extreme is truly rounded around each bulb it may approach the parabolic shaped reflector for efficiency. But that's just a guess on my part. I would ask Nova if they have any data to back up their claim. I would love to see the PAR outpu between the Nova Extreme and the regular Nova with the same bulbs over the same tank. They should have that data.

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