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  2. Aquarium lighting - Wikipedia

    en.wikipedia.org/wiki/Aquarium_lighting

    Another light source in reef aquariums is metal halide lighting. These high output lights closely recreate the shimmering effect of bright tropical sun over a patch of coral reef. Metal halide bulbs come in a variety of spectra from 5000k on up to 20,000k and allow for a variety of light-hungry corals to survive under them.

  3. Reef aquarium - Wikipedia

    en.wikipedia.org/wiki/Reef_aquarium

    A reef aquarium or reef tank is a marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the tropical coral reef environment. A reef aquarium requires appropriately intense lighting, turbulent water movement, and more stable water chemistry than fish-only marine ...

  4. Full-spectrum light - Wikipedia

    en.wikipedia.org/wiki/Full-spectrum_light

    Full spectrum lighting also enhances the natural coloration of fish, plants and other aquatic elements in an aquarium, which are often discolored by artificial lights. Full spectrum lighting is typically used more in fresh-water aquariums since marine or coral-reef aquariums often require intensely blue light.

  5. Actinism - Wikipedia

    en.wikipedia.org/wiki/Actinism

    Actinic lights are also common in the reef aquarium industry. They are used to promote coral and invertebrate growth. [3] [4] They are also used to accentuate the fluorescence of fluorescent fish. Actinic lighting is also used to limit algae growth in the aquarium. [5]

  6. Marine aquarium - Wikipedia

    en.wikipedia.org/wiki/Marine_aquarium

    A marine aquarium Corals in a marine aquarium. A marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. Marine aquaria are further subdivided by hobbyists into fish only (FO), fish only with live rock (FOWLR), and reef aquaria.

  7. Artificial sunlight - Wikipedia

    en.wikipedia.org/wiki/Artificial_sunlight

    Different corals in a reef aquarium require different lighting conditions. Most corals depend symbiotically on zooxanthellae, a type of alga.The zooxanthellae require light to perform photosynthesis, and they provide the coral polyps with simple carbohydrates.

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