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They cannot. Usually you want 1 gallon of water per square inch of fish. Cooler water actually holds more oxygen.

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16y ago

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When were fish tanks discovered?

Fish tanks were not 'discovered' they were invented.


How is a fish tank made?

Most fish tanks are built in plastics because platic does not break easily.Glass people still use now for their fish tanks at home but i rarely see them,because glass fish tanks can break easily although is transparent


Is a marine fish tanks different to tropical fish tanks?

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Typically heaters are needed for tropical fish tanks. However, if you could guarantee the room temperature where the tank is located will be maintained at the needed temperature for your fish, then you don't need a heater. Most tropical tanks need to be maintained at temperatures of 72 to 80 degrees Fahrenheit, depending on the types of fish in the tank.


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The Roman empire had a very large industry making fish tanks, before that, the Chinese had been raising fish in holding tanks for about a thousand years. Before that, people were probably building fish tanks since before we understood how to make fire.


What tanks do homeowners in some communities use?

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