Choosing the Right Aquarium Heater

Do you really need a heater for your aquarium? The answer depends on a number of factors, such as the type of fish and room temperature. This collection of articles will help you understand the types of heaters available, select the proper size for your aquarium, explain where to place a heater, and what to do if an aquarium becomes too hot or too cold.

Heater Types
Fish must rely on the temperature of the water to maintain their body temperature. That means that many aquariums will require a heater, especially in northern climates. This article explains the the pros and cons of different heater types.

How to Select a Heater
Heaters come in several sizes and styles, which can confuse even the experienced owner. These simple steps will help you find the heater that matches your aquarium, location, and type of fish.

Heater Size Guide
This chart shows the sizes of heaters available. Included is a formula that allows you to calculate heater wattage based on room temp and aquarium size.

Where to Place a Heater
Proper placement of your aquarium heater will ensure that the tank is heated evenly. Follow these simple tips for heater placement and you will be successful every time.

Elevated Water Temperature
Elevated water temperature can be dangerous or even lethal to fish if it remains high for a period of time. Here are steps to take if you have a heat problem.

Cold Water Problems
During winter if the power goes out, or heaters fail, the resulting drop in water temperature can be harmful to the fish. This article includes tips for maintaining heat in a cold climate when the heater isn't functioning.