How to Choose the Right Aquarium Heater

Most freshwater fish are cold-blooded animals that prefer 78-80°F water temperatures, so keep reading to find the best heater that's right for you.
One of the most common questions we get is, “Does my aquarium need a heater?” Most freshwater pet fish are cold-blooded animals that prefer 78-80°F water temperatures to help regulate their body temperature. So, if you usually keep your home cooler than that, then the answer is yes.

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