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Doubt it's full spectrum, deceptive advertising
on June 4, 2011
I suspect there's a reason for the cheap price of this bulb. I very much doubt it is a full spectrum bulb. The light is "icier," and unlike the original light, it doesn't cast a bluish tinted light that you can see at night. The light also doesn't feel as comfortable for reading.
If it isn't full spectrum, the description on the packaging is extremely deceptive. It says it's a replacement for a variety of sunlight lamps, but it doesn't say anywhere that it is actually a full spectrum light. Even more deceptive, it shows a full spectrum rainbow bar, but in small script, it refers only to the light savings compared to a regular light bulb.
If having a full spectrum light is important to you, I don't think you'll be satisfied with this light.