Cov&TOC. Reef Videos. Conservation Information. Coral reefs. What is a Reef Tank? A Reef Tank System is a Fish Only With Live Rock system with corals which requires a higher quality lighting system as well as a higher water quality and movement.
A sustainable healthy reef tank also requires occupants which do not adversely affect corals: Lighting Since corals are included in a reef tank system, sufficient lighting for the corals must be provided.