Re: GE Sunshine (Chroma 50) vs PowerGlo

[busko at stsci_edu (Ivo Busko)]

"Lee, Godfrey" wrote:

>Could someone tell me what the difference is other than price?

Their spectra are completely different. The C50 is a full-spectrum bulb
with high CRI that tries to simulate sunligth. Successfully IME. The PowerGlo 
spectrum looks very similar to Triton's, with a lot of blue and red emission.
So it should give a pinkish/purplish hue and should have very poor CRI. 
Personally I like the way the Triton bulb enhances reds and blues, and I 
presume the PowerGlo should give similar results. They are very similar in 
total PAR output though (see data and pointers to spectra at 
http://www.aquabotanic.com/lightcompare.htm).

-Ivo Busko
 Baltimore, MD

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