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2. Aquarium lighting - Wikipedia

   en.wikipedia.org/wiki/Aquarium_lighting

   While very useful to reef aquarium keepers, halide lighting also uses a lot of electricity (150-400 watts being common) and produces copious amounts of heat. Most reef keepers mount halide bulbs at least one foot above their tank and some, due to the lights' heat output have had to add chillers to keep aquarium water cool.

3. Marine aquarium - Wikipedia

   en.wikipedia.org/wiki/Marine_aquarium

   The most common type of saltwater fish tank, the tropical marine tank, houses marine animals from tropical climates. Usually kept between 24 and 28 °C (75 and 82 °F), these tanks include tropical reef tanks, as well as fish-only tanks. These tanks tend to have a low concentration of microscopic plankton and other foods eaten by filter feeders.

4. 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]

5. 32 types of saltwater fish for your aquarium - AOL

   www.aol.com/32-types-saltwater-fish-aquarium...

   This classic saltwater aquarium fish – popularized by the movie Finding Nemo – is a hardy type and easy to keep. As they are territorial they don’t need a massive aquarium, though they do ...

6. Refugium (fishkeeping) - Wikipedia

   en.wikipedia.org/wiki/Refugium_(fishkeeping)

   The refugium light cycle can be operated opposite to the main tank, in order to keep total system pH more stable (due to the uptake of acid-forming CO 2 by photosynthesis occurring in the refugium during its "daylight" hours). One volume guideline for a refugium is 1:10 main tank volume.

7. 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 ...