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  2. Test strip - Wikipedia

    en.wikipedia.org/wiki/Test_strip

    A test strip is a band/piece/strip of paper or other material used for biological testing. Specifically, test strip may refer to: Food testing strips; Glucose meter test strip; Lipolysis test strip; Urine test strip; Universal indicator pH test strips; It may also refer to: Teststrip, an art gallery in Auckland, New Zealand

  3. Fishkeeping - Wikipedia

    en.wikipedia.org/wiki/Fishkeeping

    An aquascaped freshwater aquarium. Fishkeeping is a popular hobby, practiced by aquarists, concerned with keeping fish in a home aquarium or garden pond.It is a practice that encompasses the art of maintaining one's own aquatic ecosystem, featuring a lot of variety with various water systems, all of which have their own unique features and requirements.

  4. Food testing strips - Wikipedia

    en.wikipedia.org/wiki/Food_testing_strips

    A second type of food testing strip is a gram-negative swab, which is usually administered directly to the food itself. Gram-negative swabs generally work faster than enzyme reactant strips, but they differ in that the gram-negative swabs are designed to detect a broad group of organisms, not just those that can cause foodborne illness in humans.

  5. 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 ...

  6. Should You Use an Expired COVID Test? The Answer Might ... - AOL

    www.aol.com/lifestyle/expired-covid-tests-still...

    It’s possible for an expired COVID test to show a false positive—but it’s also possible for a non-expired COVID test to show a false positive, Dr. Russo says. It’s just not super likely ...

  7. List of aquarium diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_aquarium_diseases

    Aquarium fish are often susceptible to numerous diseases, due to the artificially limited and concentrated environment. New fish can sometimes introduce diseases to aquaria, and these can be difficult to diagnose and treat. Most fish diseases are also aggravated when the fish is stressed. Common aquarium diseases include the following:

  8. COVID-19 test expired? Check this before you throw it out - AOL

    www.aol.com/news/covid-19-test-expired-check...

    If you can't test, or continue to test positive after Day 5, the state recommends isolating for a period of at least 10 days. This story originally appeared in Los Angeles Times . Show comments

  9. 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 ...

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