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  2. Freshwater aquarium - Wikipedia

    en.wikipedia.org/wiki/Freshwater_aquarium

    A freshwater aquarium is a receptacle that holds one or more freshwater aquatic organisms for decorative, pet-keeping, or research purposes. Modern aquariums are most often made from transparent glass or acrylic glass. Typical inhabitants include fish, plants, amphibians, and invertebrates, such as snails and crustaceans. Tropical freshwater ...

  3. Ammonia poisoning - Wikipedia

    en.wikipedia.org/wiki/Ammonia_poisoning

    A history of the tank, such as filter changes, power outages, excessive feeding, or the addition of microbicidal or antibiotic agents to aquarium can aid in diagnosis. An ammonia test is the most sure way of diagnosing ammonia poisoning. Ammonia affects fish metabolism and their ability to absorb oxygen through their gills.

  4. Community aquarium - Wikipedia

    en.wikipedia.org/wiki/Community_aquarium

    It is important to test for ammonia, since it is a chemical precursor of nitrites and nitrates, also harmful to fish. Ammonia is removed from the water through the nitrogen cycle, which takes place within the aquarium filter, which takes a few weeks to start processing the ammonia. The processed ammonia is converted to nitrite, which is then ...

  5. List of aquarium diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_aquarium_diseases

    Improve water quality. Aquarium salt baths can treat mild cases. Use anti-fungal meds if visible film/spores/tufts. Use gram-negative antibiotics otherwise. Columnaris: Flexibacter bacteria: All: Cottony growth near mouth and or patches of grayish-white film on the body or fins. Improve water conditions.

  6. Aquarium - Wikipedia

    en.wikipedia.org/wiki/Aquarium

    Salt content, or salinity, is the most basic measure of water conditions. An aquarium may have freshwater (salinity below 500 parts per million), simulating a lake or river environment; brackish water (a salt level of 500 to 30,000 PPM), simulating environments lying between fresh and salt, such as estuaries; and salt water or seawater (a salt ...

  7. More free COVID-19 test kits available through USPS starting ...

    www.aol.com/more-free-covid-19-test-185823864.html

    Beginning Nov. 20, households that ordered COVID tests this fall may request four more. Anyone who did not order tests this fall may place 2 orders.