Marine aquarium sand is a type of substrate that is used in saltwater aquariums to create a natural environment for aquatic life. The sand helps to create a habitat for beneficial bacteria and other microorganisms that help to break down organic waste in the water. It also provides a surface for corals and other invertebrates to attach themselves to.
There are many different types of marine aquarium sand available, including live sand, dry sand, and aragonite sand. Live sand contains live bacteria and other microorganisms that help to establish a healthy biological filter in your aquarium. Dry sand is less expensive than live sand but does not contain any live organisms. Aragonite sand is made from calcium carbonate and is ideal for aquariums with high pH levels.
When selecting a marine aquarium sand, it’s important to choose one that is appropriate for the size of your tank and the type of aquatic life you have. You should also consider the color and texture of the sand, as well as its compatibility with other types of substrate and filter media.