Did you know that most tropical fish are cold blooded animals? Being cold-blooded means that they cannot control their own body temperature so they cannot keep themselves warm. Different types of fish also have different body temperatures so when buying your fish select ones that have the same type of temperature requirements otherwise you will find that some will die.buy aquarium heater instructions


How Do I Know What Type Of Heater To Buy?

It all depends on the size and type of your aquarium and the type of fish you plan on purchasing. There are three basic types of heaters available. There is the aquarium heater that simply hangs on the side of the tank. The hanging types of heaters are the most basic heating unit and are okay for use in smaller aquariums.