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I have a betta fish in a 3 gallon tank , does he need a heater ? And if so what's a good heater to use

I have a betta fish in a 3 gallon tank , does he need a heater ? And if so what's a good heater to use

Updated On June 9th, 2017

Pet's info: Fish | Unknown - Fish | Male

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

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The water temperature should range between 78F and 80F. You can use a submersible heater. Make sure it has an adjustable thermostat to control temperature. You should also have a thermometer in the tank to monitor water temp.

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