What Does a Refugium Do

A refugium is generally used to provide delicate species with safety, protecting them from the larger fish in the main tank. Refugiums are often used to grow copepods as food for their aquarium fish, or to raise delicate species of fish or coral.

What are the benefits of a refugium?

A refugium combats algae by creating an environment outside the display tank to house a more aggressive yet more manageable algae. Additionally, by including micro-organisms such as rotifers, copepods, tiger pods, etc. detritus that makes its way from the display will also be broken down.

What should I put in a refugium?

Fish, snails, shrimp, corals, crabs, corals, and copepods can all be put in the refugium. Though all of these animals can live in the refugium doing so could impact the goals you may have for your refugium.