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INTRO
Introduction to this FAQ
Written by Richard Sexton in 1988, updated a few times sience then.
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LIGHT-COLOR
Explained
What CRI means, what degrees Kelvin means and why they're important.
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INCANDESCENT
Not Great
Screw in light bulbs generally have no place in aquaria lighting. There's a couple of exceptions though.
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FLUORESCENT
The Work Horse
It's probably reasonably accurate to say most aquarium lighting these days is fluorescent, and there's a good reason for that.
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HID
A Bright Idea
These are the most powerful - and expensive - kind of lights there are.
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SUMMARY
and conclusions
The wrapup.
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