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2. Aquarium heater - Wikipedia

   en.wikipedia.org/wiki/Aquarium_heater

   A typical glass-tube immersion style aquarium heater. An aquarium heater is a device used in the fishkeeping hobby to warm the temperature of water in aquariums. [1] Most tropical freshwater and marine aquariums are maintained at temperatures that range from 22 to 30 °C (72 to 86 °F).

3. Thermometer - Wikipedia

   en.wikipedia.org/wiki/Thermometer

   Such liquid crystal thermometers (which use thermochromic liquid crystals) are also used in mood rings and used to measure the temperature of water in fish tanks. Fiber Bragg grating temperature sensors are used in nuclear power facilities to monitor reactor core temperatures and avoid the possibility of nuclear meltdowns. [57]

4. Livewell - Wikipedia

   en.wikipedia.org/wiki/Livewell

   A livewell is a water tank found on many fishing boats that is used to keep bait and caught fish alive. It works by pumping fresh water from the surrounding body into the tank, as well as keeping the water aerated. A rule of thumb for determining the necessitated size of a livewell is that every one inch length of fish needs a gallon (3.8 liter ...

5. Freshwater aquarium - Wikipedia

   en.wikipedia.org/wiki/Freshwater_aquarium

   For a tropical fish tank, maintaining a warm environmental temperature ranging between 75 and 86 °F (24 to 30 °C) enables different tropical fish to thrive at different temperatures. [2] Aquarium substrate usually consists of sand or gravel. Aquarium substrate is important for the fish's health and replicating their natural environment.

6. 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.

7. Aquarium - Wikipedia

   en.wikipedia.org/wiki/Aquarium

   Aquarium heaters combine a heating element with a thermostat, allowing the aquarist to regulate water temperature at a level above that of the surrounding air, whereas coolers and chillers (refrigeration devices) are for use anywhere, such as cold water aquaria, where the ambient room temperature is above the desired tank temperature. [47]