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  2. Powerhead (pump) - Wikipedia

    en.wikipedia.org/wiki/Powerhead_(pump)

    An aquarium powerhead is typically used to create flow throughout the tank. For example, a single powerhead could be used at one end of a freshwater aquarium to simulate a laminar river current, or multiple powerheads can be positioned throughout the aquarium to create more turbulent flow.

  3. Calcium reactor - Wikipedia

    en.wikipedia.org/wiki/Calcium_reactor

    A feed pump takes aquarium water into the reactor, controlling the volume of water exchange. This is important because a high rate of water flow into the reactor can reduce its efficiency, thus resulting in underproduction and a waste of CO 2. Some reactors siphon water into the input of the reactor's re-circulation pump.

  4. Freshwater aquarium - Wikipedia

    en.wikipedia.org/wiki/Freshwater_aquarium

    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 ...

  5. Raceway (aquaculture) - Wikipedia

    en.wikipedia.org/wiki/Raceway_(aquaculture)

    Trout do best in spring water because it keeps a constant temperature, while catfish need a strong flow, about 80 litres per second for every 0.4 hectares of raceway. A backup water supply should be positioned so, if the water supply or pump fails, it can flow by gravity into the start of the raceway. [16]

  6. Aquarium filter - Wikipedia

    en.wikipedia.org/wiki/Aquarium_filter

    In this design, water is fed by gravity to the filter below the aquarium. Prefiltered water is delivered to a perforated plate (drip plate). Prefiltering may take place in the aquarium via a foam block or sleeve in the overflow, or weir siphon, or it may be prefiltered by filter wool resting on the perforated plate. The waste laden water from ...

  7. Aquarium - Wikipedia

    en.wikipedia.org/wiki/Aquarium

    An aquarist owns fish or maintains an aquarium, typically constructed of glass or high-strength acrylic. Aquaria with flat walls are known as fish tanks or simply tanks, while those with rounded walls are known as fish bowls. Size can range from a small glass bowl, a few liters in volume, to immense public aquaria of thousands of liters.

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