How To Use A Fish Tank Heater

The Importance of a Fish Tank Heater

To be able to learn how to use an aquarium heater properly its important to understand why a heater is needed in your aquarium.

The main reason heaters are needed is basically because fish are a fairly delicate species. They need steady water temperatures in order to survive and prevent getting unwell or even dying.

If their water becomes too cold they will have trouble eating, swimming, and could even die. These same health issues will appear if the water is too hot, except they wont wrap up like seafood sticks, but instead overheat and pass away.

Maintaining a reliable aquarium temperature in your tank is particularly important for tropical fish that want a regular temp of around to degrees Fahrenheit.

Secure warm temperatures are virtually impossible to keep without heaters, unless you actually live in a exotic environment.

To know more about fish tank heaters Here are some Below tips

The Four Types of Aquarium Heaters

Given that you have an improved understanding as to the reasons aquarium heaters are a necessary part of any aquarium setup, its important to comprehend the various fish tank heater types.

Having an understanding of the many types of aquarium heaters will help you to choose the best one for your unique tank.

Typically, aquarium heaters come in four varieties:




Filter heaters

Lets review each kind.

Immersible Heaters

Contain a a glass tube where in fact the heating coil is wound around a wine glass or ceramic insert. Some types of immersible heaters can be fully submerged in water, but the key difference becometween immersible and submersible is that lots of hang along the medial side of the aquarium and also have a clearly proclaimed water range that tells you where the water shouldnt touch the heater.

Submersible Heaters

Are one of the most popular designs as they could be fully submerged in the water. They usually come by means of a long slender tube that can be sucti1d to the sides of the fish tank.

Substrate heaters

Are basically a flexible cable which has a heat source. They could be buried within the gravel on the bottom of the fish tank. Substrate heaters arent particularly popular because theyre mainly used for seed aquariums.


Filter heaters

Are designed in heaters that are being used with the filter of the tank. Water is heated as it undergoes the filter.

For the purpose of this content, we will mainly be concentrating on immersible and submersible heaters because they are typically the most popular.

JUST HOW MUCH Electricity (Watts) Does a Fish Tank Heater Use?

When purchasing an immersible or submersible heater its important to comprehend what wattage is necessary for your unique tank.

The most frequent way to determine how much wattage is required to heat your tank is for each and every gallon of water your tank holds youll typically need 2.5 to 5 watts of power to heat it.

Depending on the size of your aquarium the heater size will vary.

For example,

A little gallon Betta tank will generally need around watts of power to heat it while a more substantial -gallon tank will demand about watts.

Its also very important to get a solid idea of the particular temperature is of the area your aquarium is surviving in.

So, if the temperature of the room your fish tank is in is around degrees, you might only need a smaller heater to be able to obtain it the right temp your tropical seafood require.

This requires a good little bit of monitoring and adjusting when starting out. Most fish tank owners should consult with an expert to be able to get these specifications correct.

Your heater should be also have the ability to fit easily in your tank so buy a heater that will fit.

How exactly to Install an Aquarium Heater

Knowing wherever to put your aquarium heater is one more thing you must do correctly to keep your seafood healthy.

Most suggest to put your aquarium heater where in fact the normal water moves in and out of the filter.

Allowing the water to flow through the heater allows it to be evenly and quickly dispersed throughout the tank. This makes drinking water temperature through the entire entire tank a comparable.

For bigger tanks, you might consider having two distinct heaters on contrary sides of the aquarium. Typically, if your tank is gallons or more, youll probably need two heaters.

Locate the ideal invest your aquarium based on size of the aquarium and how many watts the heater is.

Once youve the perfect location selected simply place the heater in the aquarium and use the suction cups provided to stick it to your wine glass.

As well as the heater make certain to truly have a good thermometer so you can verify the temperature environment over a daily.

Place the thermometer on the contrary area of the aquarium heater to obtain a more accurate reading of the water temperature.


The type of fish are you stocking? Some species, like neon tetras, guppies, angelfish and bettas, like their drinking water to be toasty warm and highly secure all the time. Others, such as barbs or swordtails, are just a little hardier and can tolerate some changes to their normal water temperature.


When you have a large tank, you may want to take into account installing two smaller heaters to warm water consistently. Consider adding these heaters at contrary ends of the tank to make sure proper heat coverage.


Many aquarists also recommend using several heater if you select a hang-on or submersible heater. This implies you have a back-up if one fails, and can help to make sure your seafood dont get a great shock from normal water that swiftly cools around them. Tropical seafood are especially vunerable to changes in normal water temperature. In the event the drinking water temperatures fluctuates by way of a good few diplomas for example, if its warm throughout the day but cools at night time this might cause problems for the seafood.


Ensure that your heater tube length matches the height or amount of your aquarium. Heat rises, and that means you need to be sure youre within the full duration and depth of the tank. And just how thick are your aquarium walls that’s, how quickly does it lose heat to the surroundings surrounding it?


Think about the positioning of one’s tank. Could it be in a major room thats hard to help keep warm, or a tiny room that remains toasty? Could it end up being with a windowpane that gets immediate sun, so that it heats up during the day but cools during the night? Could it be underneath or near an air-conditioning vent that could cool it too much? They are precisely what make a difference the stableness of the water temperature in your aquarium. Its end up beingst if you check regularly meaning that your tank supplies the ideal temperature for the seafood.