Low lighting refers to any lighting that is less intense than VHO (Very High Output) or fluorescent and PC (Power Compact) fluorescent lighting systems, although corals requiring low lighting may be placed in a low or shaded placement under higher intensity lighting. Moderate lighting refers to VHO (Very High Output) or fluorescent and PC (Power Compact) fluorescent lighting systems, although corals requiring moderate lighting may be placed in a lower or partially shaded placement under high intensity, reef-ready lighting.

Moderate lighting refers to VHO (Very High Output) or fluorescent and PC (Power Compact) fluorescent lighting systems, although corals requiring moderate lighting may be placed in a lower or partially shaded placement under high intensity, reef-ready lighting.

Moderate lighting refers to VHO (Very High Output) or fluorescent and PC (Power Compact) fluorescent lighting systems, although corals requiring moderate lighting may be placed in a lower or partially shaded placement under high intensity, reef-ready lighting. High lighting—generally refers to high intensity, reef-ready lighting like metal halides.

High lighting generally refers to high intensity, reef-ready lighting like metal halides.