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2. Aquaculture of coral - Wikipedia

   en.wikipedia.org/wiki/Aquaculture_of_coral

   One of the first serious attempts at propagating coral ex situ occurred at Nouméa Aquarium in 1956. At the time it was common for aquarium hobbyists in Germany to create home "mini-reefs". Commercial coral propagation began in America in the 1960s, and hobby industry took off in the early 1980s. The trend was attributed to hobby magazines. [8]

3. Aquarium filter - Wikipedia

   en.wikipedia.org/wiki/Aquarium_filter

   In the natural environment these nitrates are subsequently taken up by plants as fertilizer and this does indeed happen to some extent in an aquarium planted with real plants. An aquarium is, however, an imperfect microcosm of the natural world. Aquariums are usually much more densely stocked with fish than the natural environment.

4. Vallisneria - Wikipedia

   en.wikipedia.org/wiki/Vallisneria

   Vallisneria will accept neutral to alkaline water conditions (they do not like very acidic conditions) and do not require carbon dioxide fertilization. They are also among the few commonly traded aquarium plants that tolerate brackish water, provided the specific gravity does not exceed 1.003 (around 10 percent the salinity of normal sea water ...

5. Aquascaping - Wikipedia

   en.wikipedia.org/wiki/Aquascaping

   The Dutch aquarium employs a lush arrangement in which multiple types of plants having diverse leaf colors, sizes, and textures are displayed much as terrestrial plants are shown in a flower garden. This style was developed in the Netherlands starting in the 1930s, as freshwater aquarium equipment became commercially available. [ 1 ]

6. Aquaponics - Wikipedia

   en.wikipedia.org/wiki/Aquaponics

   Aquaponics is a food production system that couples aquaculture (raising aquatic animals such as fish, crayfish, snails or prawns in tanks) with hydroponics (cultivating plants in water) whereby the nutrient-rich aquaculture water is fed to hydroponically grown plants.

7. List of freshwater aquarium plant species - Wikipedia

   en.wikipedia.org/wiki/List_of_freshwater...

   Aquatic plants are used to give the freshwater aquarium a natural appearance, oxygenate the water, absorb ammonia, and provide habitat for fish, especially fry (babies) and for invertebrates. Some aquarium fish and invertebrates also eat live plants. Hobbyists use aquatic plants for aquascaping, of several aesthetic styles.