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2. Aquarium heater - Wikipedia

   en.wikipedia.org/wiki/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 undergravel heating. There are also heating mats that ...

3. List of largest aquariums - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_aquariums

   Large aquariums exhibit a wide variety of species and animals in a large range of tanks. These are typically public aquariums and may also include oceanariums and dolphinariums, designed to showcase a diverse range of marine animals for the public. In operation Only aquariums with a total capacity of more than 10 million litres and/or a tank larger than 5 million litres are included in the ...

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   All new gas storage tank water heaters with capacities smaller than 55 US gal (210 L; 46 imp gal) sold in the United States in 2015 or later shall have an energy factor of at least 60% (for 50-US-gallon units, higher for smaller units), increased from the pre-2015 minimum standard of 58% energy factor for 50-US-gallon gas units. Electric ...

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   www.aol.com/lifestyle/walmart-plus-january-2023...

   Save $0.10 per gallon on gas at 14,000+ locations nationwide ... 30 days, but right now the $50 Walmart Cash deal is an easy way to get some money back in your pocket instantly. Walmart+ ...

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. 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.

8. Aquarium - Wikipedia

   en.wikipedia.org/wiki/Aquarium

   For example, the death of the only fish in an 11-litre (3 US gal; 2 imp gal) tank causes dramatic changes in the system, while the death of that same fish in a 400-litre (110 US gal; 88 imp gal) tank with many other fish in it represents only a minor change. For this reason, hobbyists often favor larger tanks, as they require less attention.

9. List of freshwater aquarium fish species - Wikipedia

   en.wikipedia.org/wiki/List_of_freshwater...

   The Emerald Cory Catfish is a very hardy and resilient fish. Disease should not be a concern provided that you maintain the aquarium to standards. [6] 20 Gallons: 72 – 82 F (22 – 27.7 C) [6] 5.8-8.0 [7] Cascarudo: Callichthys callichthys: 20 cm (7.9 in) 64–83 °F (18–28 °C). 5.8–8.3 Blacktop corydoras: Corydoras acutus: 4.4 cm (1.7 in)