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2. Aquarium lighting - Wikipedia

   en.wikipedia.org/wiki/Aquarium_lighting

   Freshwater aquarium lighting is commonly provided by screw-in incandescent bulbs, fluorescent tubes and LED lamps. Incandescent lighting is becoming less popular because it uses much more energy and produces more heat than the other lighting types. [1] Compact fluorescent lighting with a compatible screw-in base is frequently used as a direct ...

3. LED-backlit LCD - Wikipedia

   en.wikipedia.org/wiki/LED-backlit_LCD

   There are several methods of backlighting an LCD panel using LEDs, including the use of either white or RGB (Red, Green, and Blue) LED arrays behind the panel and edge-LED lighting (which uses white LEDs around the inside frame of the TV and a light-diffusion panel to spread the light evenly behind the LCD panel). Variations in LED backlighting ...

4. List of How It's Made episodes - Wikipedia

   en.wikipedia.org/wiki/List_of_How_It's_Made_episodes

   Bicycle lights: Above-ground pools: Foldable solar panels: April 2, 2015 25-02: 314: LED stage lights: Apple cider: Chemical tank trailers: Ornate stone floors: April 9, 2015 25-03: 315: Fishing line: Industrial mixers: Natural baking soda: Tow trucks: April 16, 2015 25-04: 316: Storage sheds: Industrial fans: Parchment paper: Climbing walls ...

5. Aquarium - Wikipedia

   en.wikipedia.org/wiki/Aquarium

   Many aquarium tanks also have plants. An aquarist owns fish or maintains an aquarium, typically constructed of glass or high-strength acrylic. Aquaria with flat walls are known as fish tanks or simply tanks, while those with rounded walls are known as fish bowls. Size can range from a small glass bowl, a few liters in volume, to immense public ...

6. Undertank heater - Wikipedia

   en.wikipedia.org/wiki/Undertank_heater

   The hot zone is just above the heater; the opposite zone, the cold zone, is where the live food and the water bowl would be placed. A substrate between the pad and the tank is necessary, as is a thermostat or rheostat to prevent it from overheating and burning the animals. Malfunction in an under tank heater could result in higher temperatures ...

7. 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). [1] [2] [3] The types include glass immersion heaters and ...