Most aquaria ought to be positioned on polystyrene to cushion any irregularities on the underlying surface or the underside of the tank itself that may trigger cracks. However, some tanks have an underframe making this unnecessary. An Aquarium‘s physical characteristics form another facet of aquarium design. The typical hobbyist aquarium features a filtration system, a synthetic lighting system, an air diffuser and pump, and a heater or chiller relying on the aquarium’s inhabitants. Many aquaria incorporate a hood, containing the lights, to lower evaporation and stop fish from leaving the aquarium . Public aquariums and oceanariums designed for exhibition of huge species or environments can be dramatically bigger than any residence aquarium.
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