Refugiums Control High Nitrate and Phosphate Levels – Even Unwanted Algae!
High levels of nitrates and phosphates have frustrated many a saltwater hobbyist. Now refugiums are here to save the day! A refugium uses macro algae, mud and/or sand as natural filters for reducing nitrates, silicates, and phosphates. As you harvest (remove) macroalgae you are also removing excess nutrients from the aquarium. Reducing excess organic nutrients helps control unwanted algae growth in the display aquarium.
Since a refugium is generally separate from the main aquarium it provides protection for copepods and amphipods, giving your aquarium a constant, natural food source. This natural food can be netted from the refugium or will travel naturally to the display aquarium via the lines connecting the two. Predators such as fish, shrimp, and corals should never be placed in your refugium.
There Are Four Refugium Styles
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