Is A Reef Saltwater Or Freshwater?

A saltwater reef aquarium is a re-creation of the ocean. Saltwater fish with living corals and invertebrates (shrimp, snails, crabs, starfish, clams, etc). A reef tank also requires live rock for it’s in tank structure. Is coral reef saltwater? Most reef-building corals also require very saline (salty) water ranging from 32 to 42 parts per … Read more