How To Choose A Heater For Aquarium

The 5 main things to look for when choosing a heater for an aquarium are:

Wattage

Wattage is the power of the heater. The overall wattage determines how well the heater can heat and maintain the required temperature in the tank.

In most cases, 3-5 watts per gallon is the recommended norm. You should never by a heater that is too powerful for your tank and it is best to use two heaters in place of a single powerful heater. Here are some recommended wattage for aquarium heaters based on tank size:

  • 50 Watts: Suitable for aquariums up to 15 gallons
  • 100 Watts: Suitable for aquariums up to 30 gallons
  • 200 Watts: Suitable for aquariums up to 65 gallons
  • 300 Watts: Suitable for aquariums up to 100 gallons

Adjustable Temperature

A heater that allows you to easily adjust the temperature settings is ideal. Believe it or not, some heaters come equipped with unchangeable temperature settings. The best aquarium heaters allow you to change the temperature as needed.

Control Access

A heater that has clear and easily accessible controls is best. This is especially important if the heater is fully submerged. A control knob that is easy to access and adjust will make the process less frustrating.

Temperature Viewability

Aquarium heaters that come with numerical temperature gauges are recommended. It makes monitoring the temperature of your tank easy.

Safety Features

The heater for your tank ought to be fully submergible and it should have an automatic shut off feature to prevent overheating.

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Light indicators are also important so that you can tell when the heater is on and heating.

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