If you are keeping tropical fishes in your fish tank, then an aquarium heater is a must. We have answered the top 9 questions asked on amazon by potential buyers/buyers in this post.

What heater do I need for my fish tank?

This is based on the volume of water in the aquarium, the thumb rule is 5 watts per gallon of water.

What is the best heater for an aquarium?

There many leading brand aquarium heater and mostly they all do the same thing maintaining the temperature of the water, buy the one which you can afford the most.

What is the use of a heater in the aquarium?

You would need an aquarium heater to maintain the water temperature of a fish tank, especially if your holding tropical fishes as they need a temperature of 71 to 86 degree Fahrenheit.

How long should I keep my aquarium heater on?

The aquarium heater should be kept on throughout the day, so there are no fluctuations to the set temperature in the fish tank.

How long does it take for an aquarium heater to heat up?

Depending on the tank size and quality of the aquarium heater it may take up to 6 hours to reach the set temperature.

Should the aquarium heater be fully submerged?

Yes, most of the aquarium heater is made as submersible models and it is absolutely fine to submerge them fully in the fish tank.

Where should the heater be placed in the aquarium?

There is no golden rule, place the heater which would be more aesthetically appropriate. Don’t place the heater under the gravel or substrate.

Can the aquarium heater kill fish?

No, the aquarium heater will not kill the fish in case of the normal functioning of the heater.

How do I know if my fish tank heater is working?

This is simple, you can measure the water temperature using a thermometer or a water temperature indicator. See if the temperature set in the heater is more or less equivalent to the temperature displayed in the thermometer or the water temperature indicator.

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