Betta fish are tropical fish that require warm water to survive. The ideal temperature range for Betta fish is between 76 to 82 degrees Fahrenheit. However, they can tolerate water temperatures as low as 72 degrees Fahrenheit and as high as 86 degrees Fahrenheit for short periods of time.
If the water temperature drops below 72 degrees Fahrenheit, Betta fish can become sluggish and their immune system can weaken, making them more susceptible to diseases. Therefore, it is not recommended to keep Betta fish in water that is colder than 72 degrees Fahrenheit.
In the case of 70 degree water, it is slightly below the recommended temperature range for Betta fish. While they may survive in this temperature for a short period of time, it is not an ideal environment for them to thrive. It is important to note that sudden changes in water temperature can also be harmful to Betta fish and can cause stress or even death.
If you are unable to maintain the ideal temperature range for your Betta fish, it is recommended to use a heater to regulate the water temperature. A heater can help maintain a consistent temperature and prevent sudden changes that can be harmful to the fish.
In conclusion, while Betta fish can survive in 70 degree water, it is not recommended as it is below their ideal temperature range. It is important to provide a suitable environment for Betta fish to thrive and maintain their health and well-being.
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