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  2. 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.

  3. Aquaponics - Wikipedia

    en.wikipedia.org/wiki/Aquaponics

    Nitrate levels peak later in the startup phase as the system completes nitrogen cycles and maintains a healthy biofilter and these bacteria grow into a mature colony. [37] with nitrate levels peaking later in the startup phase. [citation needed] In the nitrification process ammonia is oxidized into nitrite, which releases hydrogen ions into the ...

  4. Aquarium - Wikipedia

    en.wikipedia.org/wiki/Aquarium

    The nitrogen cycle in an aquarium is only a portion of the complete cycle: nitrogen must be added to the system (usually through food provided to the tank inhabitants), and nitrates accumulate in the water at the end of the process, or become bound in the biomass of plants. The aquarium keeper must remove water once nitrate concentrations grow ...

  5. Total dissolved solids - Wikipedia

    en.wikipedia.org/wiki/Total_dissolved_solids

    For freshwater, oysters, trouts, and other high-value seafood, the highest productivity and economic returns are achieved by mimicking the TDS and pH levels of each species' native environment. For hydroponic uses, total dissolved solids are considered one of the best indices of nutrient availability for the aquatic plants being grown.

  6. Recirculating aquaculture system - Wikipedia

    en.wikipedia.org/wiki/Recirculating_aquaculture...

    In this type of system ammonia produced by the fish is not only converted to nitrate but is also removed by the plants from the water. [22] In an aquaponics system fish effectively fertilize the plants, this creates a closed looped system where very little waste is generated and inputs are minimized.

  7. 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. Fish only tanks often showcase large or aggressive marine fish species and ...

  8. List of marine aquarium plant species - Wikipedia

    en.wikipedia.org/wiki/List_of_marine_aquarium...

    A planted reef aquarium filled with Bladed sand moss (Caulerpa prolifera) A seagrass aquarium housing several seagrass meadow inhabitants. Aquatic plants are used to give the aquarium a natural appearance, oxygenate the water, and provide habitat for fish, especially fry (babies) and for invertebrates. Some aquarium fish and invertebrates also ...

  9. Live rock - Wikipedia

    en.wikipedia.org/wiki/Live_rock

    Harmful elements dissolved in the water of the aquarium, including ammonia, phosphates, and nitrates, are processed with the help of the organisms that are introduced from the live rock into the aquarium's ecosystem. Excess ammonia, nitrate, and phosphates are eliminated with the help of the algae and corals growing on the live rock's surface ...

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