[MitchM]

Great advice, SeaHunter,
but where do you go from there? Much of the published data available is old. Most people (myself included) are not aware of where,exactly, their corals actually came from, and what the light requirements that they came from were.
Deep water corals, Trachyphyllia, for example, have somewhat blue light spectrum light requirements, and yet people seem to insist on putting them under very bright, white, lighting.

Mitch