This needs a Sticky... GREAT find Greg.
Also the information is a bit outdated aside from the Watts per Gallon rule which isn't effective. Great find nonethelessA good start.
Watts per gallon is not used any more as an effective measurement of lighting requirements.
The note on elegance corals is incorrect. They do fantastic placed in rock work rather than sand and that is where most people place them. In the wild they can be found in both environments.
Nice! Thanks for sharing.