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In fishkeeping, a refugium is an appendage to a marine, brackish, or freshwater fish tank that shares the same water supply. It is a separate sump , connected to the main show tank. [ 1 ] It is a " refugium " in the sense that it permits organisms to be maintained that would not survive in the main system, whether food animals, anaerobic ...
A 14-litre (3-gallon) nano reef containing small and large polyped stony corals, as well as various soft corals. A nano reef is a type of marine aquarium that is typically less than 140 litres (30 Imperial gallons / 37 US gallons). The exact limit that distinguishes a nano reef from a regular reef is somewhat ill-defined.
The rule of thumb is 1/2–1 lb. per 1 US gallon (0.2–0.4 kg per 4 liters). Many marine aquariums include a sump, which is an external container connected to the main aquarium with a water pump. In most setups, the sump is located below the aquarium and is fed water from the main tank via an overflow.
Refugium, plural refugia, the Latin for "refuge" or "hideaway", may refer to: Refugium (fishkeeping) , an appendage to a marine, brackish, or freshwater fish tank that shares the same water supply Refugium (population biology) , a location of an isolated or relict population of a once widespread animal or plant species
A refugium is defined by Ceridwen et al. as a “geographical area in which populations of glacially impacted organisms persisted during the LGM (Last Glacial Maximum).” Some different types of these areas are coastal, embedded, and periglacial refugia.
Other equipment includes a canopy or hood as an aquarium cover, an aquarium stand or base, lighting accessories, a heater, a thermometer, air pumps, filtration apparatus, airstones, fish food, a fish net, water conditioner, water quality testing kits, a siphon hose or gravel cleaner, and a bucket for water changes. When first starting an ...