The Best Aquarium Fan

Within an aquarium, various elements must coexist in total harmony so that all fish lead a long and healthy life.

Among the aspects that must be taken care of is
the temperature of the aquarium , since it can change very quickly and alter the state of the habitat. So it is vitally important that you know how to control it, especially in summer, for these situations an aquarium fan is necessary.

Many times to recreate the specific temperature that each species of fish needs, you need to know their needs.
Most of the time the waters should be between 21º C and 27 ° C, but you may also need them to be lower and for thatIt is necessary to have an efficient fan that has the necessary power to create the most ideal environment for your aquatic pets.

Comparison, best aquarium fans of 2020

Why is it necessary to install an aquarium fan?

If you want to have healthy fish and raise them for a long time, you must take care of the temperature issue, especially if you live in a country where the tropical climate predominates .

This is a very delicate point, since it must be understood that the temperature of the pond and that of its surroundings is not the same, because
the aquarium water does not heat or cool at the same rate as in our homes. That is why it is so important to have the help of a fan that regulates this automatically.

Another point that most people forget is that
during the day the temperature is high, but at night it falls. So you should take advantage and buy devices such as an aquarium fan, which serves to regulate the temperature during the day.

Without you having to worry about it, your fish will have the same temperature as in their natural ecosystems.

Choose between Aquarium Fan or Aquarium Cooler

Contrary to what many people think, a fan is not the same as a cooler for an aquarium. Many of them have very notable differences and advantages. Therefore, it is important that you know them thoroughly before making the decision to buy any.

Aquarium Fan Advantages

They can come in various types and sizes (there are 1.8 watts single, double, quadruple and sextuple) , so one of their advantages is being able to adapt to almost any type of aquarium. They are so versatile that they can be used in many ways and you can cool the aquarium from specific angles.

Being so varied you can choose from a great variety of prices and you can get them for little money.
So your fish have the ideal temperature.

The main disadvantage that fans have is the evaporation they cause in the aquarium, so you have to be very aware of the water levels, changes, changes in the parameters

Aquarium cooler

The models are just as varied ( you can find them in fresh water, sea water, with special control and with a micro computer ), they have great power and can cool very quickly. Most of them are large and sometimes very quiet, so you just have to place them strategically and turn them on and they start to regulate the temperature of your aquarium.

They also have their disadvantages, as efficient as they are, you must also consider the size of the investment.
These gadgets are usually extremely expensive and flashy, so they will be difficult to disguise when you put them on. Consider its size and that of your fish tank so that it does not clash too much, but it will always stand out, no matter where you place it.


Now that you know the differences, advantages and disadvantages, you can choose more easily and properly between what you want and what your aquarium needs. Do you need more details before making your purchase? Don’t worry, we have more useful information for you, you just have to take a pencil and paper to write down everything about it.

The best fans for aquarium

If you ask me about the best aquarium fan, I will tell you that it will depend on several circumstances, starting with the size of your aquarium.
A fan for a 60 liter aquarium is not the same as a fan for a 160 liter aquarium.

Taking this into account, then you have to analyze the power of each device, its consumption, the ease with which it is installed, etc.

Keep in mind that they
are devices that we are going to use during a very specific period of time , when the outside temperatures so advise, so that it is easy to assemble and disassemble, for me it is a point to take into account.

Buying Guide: Which Aquarium Fan to Buy?

There are many reasons why it is important to keep the aquarium temperature stable, the main ones being that without temperature regulation, the levels of heavy metals and ammonia increase. In addition, it can also cause osmoregulation problems, increased permeability of cells and lesions in the gills of fish.

Don’t you want any of this to happen to your pets?
So, pay attention to the points that we will tell you below so that you can select the best aquarium fan for your fish.

Aquarium size

This should always be taken into account for any purchase you make for your aquarium, but it is especially important when buying a fan , because it will tell you what level of power this device needs to cool the entire aquarium efficiently and in less time. It does not matter if it is 80 liters or 150 liters.

Anchoring system

This is a tool or accessory that can make it easier to locate the fan inside, outside or next to the aquarium.

Some of them have the ability
to automatically orient themselves, to adapt to the need of your fish to have a more suitable temperature.

This will allow you to take advantage of the functions of this device more efficiently, so it is always a good idea to have them, if the model you bought does not have it, you can also get it separately to place them together where you prefer.


This is a technical point of all the fans that you have to take into account , the faster they are, the stronger the currents will have inside the aquarium, so you have to evaluate if your fish will be able to tolerate it.


You have a wide range of models to choose from, with different powers. Your decision will be oriented according to the size of the aquarium, the resistance and the need for the type of fish you have.

Once you have these points written down and clear, it will be impossible that you cannot choose the best aquarium fan for your small aquatic pets.

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