I'd want to see a spectral plot and PAR value first from independant testers such as Sanjay Joshi or Joe Berger. A 10000K label on a bulb doesn't mean it's really 10000K- it's a marketing tool. The August 2004 issue of Advanced Aquarist's Online Magezine has 250 watt bulb testing by Sanjay Joshi. If a company doesn't submit their product to be tested, how do we as customers really know if they are telling the truth about how wonderful it is. I know that I totally trust the truthfulness of all advertising I see on TV
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Steve