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  2. Freshwater aquarium algae - Wikipedia

    en.wikipedia.org/wiki/Freshwater_aquarium_algae

    BBA may occur in both saltwater and freshwater aquaria. [16] Red spot algae may form a tenacious reddish-brown splotch or film on aquarium glass or plant leaves. It grows quickly and may be a symptom of high nitrates or iron. [17] These encrusting red algae may be referred to as a member of the genus Hildenbrandia. It is not especially common. [18]

  3. Fishless cycling - Wikipedia

    en.wikipedia.org/wiki/Fishless_cycling

    The nitrogen cycle in an aquarium. Fishless cycling takes place over a period of several weeks, during which the aquarist provides an ammonia source for the development of the nitrifying bacterial colony. Nitrifying bacteria in the aquarium grow on all surfaces, but particularly in areas of high water flow and high surface area such as the filter.

  4. Aquarium filter - Wikipedia

    en.wikipedia.org/wiki/Aquarium_filter

    Aquarium filters are critical components of both freshwater and marine aquaria. [1] [2] [3] Aquarium filters remove physical and soluble chemical waste products from aquaria, simplifying maintenance. Furthermore, aquarium filters are necessary to support life as aquaria are relatively small, closed volumes of water compared to the natural ...

  5. Recirculating aquaculture system - Wikipedia

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

    Keeping the pH in a suitable range (5.0-9.0 for freshwater systems) is crucial to maintain the health of both the fish and biofilter. pH is typically controlled by the addition of alkalinity in the form of lime (CaCO 3) or sodium hydroxide (NaOH). A low pH will lead to high levels of dissolved carbon dioxide (CO 2), which can prove toxic to fish.

  6. Deep sand bed - Wikipedia

    en.wikipedia.org/wiki/Deep_sand_bed

    A deep sand bed is [1] a filtration method used in some saltwater aquariums and some freshwater aquariums. A deep sand bed, similar to the Berlin Method , is designed to cultivate anaerobic bacteria in the bottom layers of sand , converting nitrate to nitrogen gas to remove toxic nitrates.

  7. Des Moines Water Works asks residents not to water lawns due ...

    www.aol.com/des-moines-water-works-asks...

    Des Moines Water Works its asking its 600,000 customers to not water their lawns, saying it will be unable to meet federal limits on nitrate levels with rising concentrations in the Des Moines and ...

  8. 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.

  9. Not All Nitrates Are Bad for You—These 9 Foods Are High in ...

    www.aol.com/lifestyle/not-nitrates-bad-9-foods...

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