| Tropical fishes live in climates that are warmer | | | | Submersible heaters are fully submerged inside |
| than the typical temperature that most fishes live | | | | your tanks and they have a slim design which |
| in. In order to rear them at home, your fish tanks | | | | helps to conceal their presence in your tank. They |
| and aquariums have to be heated to raise their | | | | are slightly more expensive than hang-on heaters |
| temperature artificially. | | | | but are much less obtrusive in appearance. |
| Heating your fish tanks and aquariums is not a | | | | Filter heaters are the ultimate heaters for |
| difficult task, but maintaining them at a constant | | | | hobbyists who do not want to have any |
| temperature is even more important than heating | | | | mechanical parts inside their fish tanks. These |
| your tank. Your fishes aren't too particular about | | | | filters are installed where the external filter is |
| living at a specific temperature. In fact, most | | | | located and heats up the water that flows |
| tropical fishes are able to live in a range of | | | | through the filter. However, if your filter pipe is |
| temperatures. However, a fluctuating tank | | | | fairly long and located at a distance from your |
| temperature will cause a lot of stress to your | | | | tank, the temperature control of your tank will be |
| fishes. | | | | less reliable because of the heat loss from the |
| There are several options you can choose for | | | | water before reaching the filter heater. |
| heating and maintaining the temperature of your | | | | Filter heaters are much more expensive than |
| tropical fish tanks. But each of them has their | | | | common heaters, but they are worth the |
| pros and cons depending on what is more | | | | premium if you are seeking to create a fully |
| important to you. | | | | natural fish tank. |
| The three main types of heaters that are | | | | Besides the type of fish tank, the size and rating |
| commonly used in fish tanks. They are hang-on | | | | of your heaters are important. Naturally, the |
| heaters, submersible heaters and filter heaters. | | | | bigger your tank, the larger the heater you will |
| Hang-on heaters, as their name suggests, hang | | | | need. As a rule of thumb, you should go for a |
| onto your tanks from the top. They are partially | | | | 25-watt heater for 5 gallons of water and for |
| submerged in the aquarium, with the heater | | | | every increase by 10 gallons of water; you should |
| control above the water line and the heating | | | | increase the size of your heater by 25 watts. |
| element under it. These heaters have the longest | | | | A good heater will last you for a long time |
| history of use and are very reliable. However, | | | | without you having to worry about temperature |
| their hanging over the top of the aquarium is an | | | | regulation in your fish tanks. All you have to do is |
| unwelcome feature to most owners who are | | | | to buy one that suits your budget and your |
| concerned with the aesthetic design of their fish | | | | needs. |
| tanks. | | | | |