Top & Best Aquarium Review 2022 – How to Select Ultimate Buyer’s Guide

Aquarium: How to choose the best model in 2022?

Today we are going to talk about the aquarium, an artificial habitat created for fish and other aquatic animals to live in your home. Taking care of an aquarium as an object and the animals inside as pets, is a relaxing activity that requires time and dedication.

For some people it even becomes a hobby, called fishkeeping. But to create a suitable environment for these animals you will need some equipment, provide adequate and varied food, do periodic maintenance, wash the aquarium and change the water.

If you are thinking of buying an aquarium, then you have come to the right place, today we will explain what care you should take, what are the advantages and disadvantages of this object, what are the best models for sale, how much does it cost and where to buy.

First, the most important

  • Fish are vertebrate animals that can be found in several different species. These animals, like any others, need specific attention and care for their individual characteristics.
  • Technological advances observed in equipment, such as filters and thermostats, have made it possible to have fresh or salt water fish (tropical or cold) in aquariums.
  • Some aquarium models already come with all the necessary equipment for it to work: lighting, filter, thermostat and pump. If the model you are thinking of purchasing does not have these devices, you will need to purchase them separately.

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Ranking: The 5 best aquarium models

Did you know that having an aquarium at home helps reduce stress? The act of caring for an aquarium even has a name and calls aquarism. If you are looking for the best models on the market, check the ranking below:


Buying Guide

In addition to being a practice for relaxation, having an aquarium at home makes the environment more beautiful and cheerful. But it is worth mentioning that this hobby requires some care.

There are different types of aquarium. We have made a comprehensive guide to provide everything you need to know before purchasing yours. Follow with us to become an expert in this matter.

Where to use an aquarium?

Most people do not know, but to have an aquarium at home you need to think about a suitable place to place it and prepare this artificial habitat before placing the animals.

The space where you are going to place the aquarium needs to be protected from the sun and the very intense air flow, as the heat can cause some problems arising from the temperature change such as green algae proliferation.

Protection against intense wind is due to temperature changes that can occur in the water. The climate inside the aquarium must be stable and always at the ideal temperature for the species that live there.

It is also recommended that the aquarium is not placed in places that have strong smells such as bathroom and kitchen, as the water can acquire a characteristic odor from these environments and this can harm the fish.

Another relevant factor is the total weight of the aquarium, that is, how much it will weigh when at maximum capacity (each liter corresponds to approximately one kilogram) plus the weight of the substrates and equipment. The furniture where the aquarium will be placed needs to be very resistant.


Did you know that after the aquarium is assembled, decorated and with the equipment installed (filter, lighting, pump and thermostat) you must let the water circulate for 7 days in freshwater aquariums and 30 days in saltwater aquariums before placing the fishes.?

This process is important, as fish and aquatic plants need some elements found in water (trace elements) for their formation and correct functioning of their metabolism.

What are the advantages and disadvantages of the aquarium?

In addition to making your home even more beautiful, the aquarium encourages care for animals and can become a hobby.

If the conditions inside the aquarium are adequate, the animals can live a long time. The aquarium can still host both freshwater and marine animals.

However, it is worth mentioning that after a certain period of time that the fish are living in the aquarium, these trace elements are running out and making the water poor. Residues from food, medicine and animal faeces accumulate and make water harmful to living organisms.

At that moment, it is necessary to have a partial or total exchange of water, mainly because the solid waste does not evaporate, thus the water remains contaminated.

After you put the fish in the aquarium, be careful with excess food and medicine, temperature and PH variations, excess ammonia, among other factors that can cause the fish to die.


You should also buy healthy fish and never let sick animals share the same water.

Basically, to create a healthy habitat for the animals you need to have the appropriate equipment, perform maintenance and cleaning sporadically, change the water totally or partially and do tests to check the pH and the ammonia and nitrite levels, among other elements.

Below we have prepared a table with the main advantages and disadvantages of having an aquarium, check out:


  • The aquarium can host freshwater or marine animals
  • It also serves as a decorative object
  • Caring for aquarium animals can become a hobby
  • Animals can live a long time


  • Need periodic maintenance
  • Tests are needed to check PH and ammonia and nitrate levels
  • It is necessary to change the water partially or completely from time to time
  • You need to purchase some extra equipment

What are the mounting styles of the aquariums?


    • Community aquarium : it is the most common type, it is possible to mix different species of fish. But, you need to be careful if they get along well and if they all adapt to the type of water that is in the aquarium.
      For example, if you set up a saltwater aquarium, all species must be marine animals. See an example of a community aquarium:
    • Monospecies aquarium : it is made for animals of the same species. This model is easier to care for, as the type of water and feed is the same for all fish.
    • Thematic aquarium : it is one in which the fish, plants and ornaments refer to a specific region such as the African, Amazonian rivers, the lost city of Atlantis or the mangrove theme.
    • Jumbo aquarium : it is the largest, suitable for medium and large aquatic animals. If you choose a model like this, make sure what size these fish will reach and do not buy species that do not get along, otherwise these animals may attack each other inside the aquarium.


What types of water can be used in an aquarium?

You can set up your aquarium with three types of water: brackish, fresh or salt. Let’s see the characteristics of each one:

    • Brackish water : it is a mixture of the other two types of water. Under natural conditions the amount of salt in the water increases and decreases according to factors such as climate and time, for this reason this model is less usual.
    • Fresh water : it is the most common type, you just need to worry about keeping the water free from chlorine, as this substance is harmful to fish. In this type of water you can place the most common fish such as betta, tetra and dorado.
    • Salt water : it is possible to place the species you see on the seabed, but this type should receive a little more attention than a freshwater aquarium, as it is necessary to control the water temperature and clean frequently, in addition, finding salt water is more difficult.


We have prepared a table comparing the main differences between saltwater and freshwater aquariums, check out:

  Freshwater aquarium Saltwater aquarium

How much?

The material of manufacture of the parts, capacity in liter and extra equipment influence the price of the aquarium. The simplest model, without extra equipment costs around R $ 90.

Larger aquariums with attached tools are more expensive and can cost R $ 3,500.

Where to buy?

You can find aquariums at pet supply stores.

You can also buy a model from the comfort of your home through online stores like Amazon. On the internet, you will find more varieties and the best prices.


Purchase Criteria: Factors for buying an aquarium as a specialist

Now that you have learned the differences between the types of aquarium, the last topic of this article is dedicated to highlighting what are the characteristics that should be taken into account before purchasing an aquarium.

Some items that we will highlight are already included in certain aquariums, in other models, you will need to buy separately. But they are important for the proper functioning and health of the fish. Are they:

  • Thermostat
  • Size and material
  • Filtering
  • Lighting
  • Substrate
  • Decoration
  • Water movement

Next we will explain item by item so that you get it right when choosing your aquarium.


The thermostat is used to regulate the temperature of the water inside the aquarium, the cool thing is that this device also acts as a thermometer, with it you can measure the water temperature.

The issue of temperature control is important, because when it changes quickly the fish can become sick. In addition, some species can only live at specific temperatures.

The tip is that when you choose a species of fish, note at what temperature it lives under natural conditions. If your aquarium is a community one, be sure to choose fish that live in similar temperatures.

Size and material

When choosing an aquarium model, take into account the amount of fish that will live in it. A medium-sized aquarium (20 liters) can only fit two to three fish.

If you want to put more fish, choose models larger than 50, 70 or 90 liters. The material of the tank can be tempered glass, plastic or acrylic. Glass models are the most common because of the strength and design of the piece.

Another important question about size, is to analyze where you want to place your aquarium. It is important to measure the space so that there are no unpleasant surprises.



The aquarium is a closed and empty space, so everything that is placed inside it remains there, and that includes excess food, medicine residues and animal feces.

To avoid contamination and death of the animals, it is necessary to use an adequate filtration system, as it keeps the water clean and odor free. There are several types of filtration: biological, mechanical and chemical.

Biological filtration is essential in aquatic systems, as it metabolizes the by-products of decomposition of dead food, feces and animals, which are toxic, transforming them into less toxic elements and reintegrating them into the food chain.

The filter pump, in turn, reduces the amount of ammonia that is released in the pee of the fish, this substance is very bad for these animals and can kill them. Plants and algae also help to remove ammonia from the water.

To complete the maintenance of the ecosystem, it is important to make partial water changes, about 20% of the gross volume per month is enough to make the environment healthier for fish.


Lighting, even artificial, is essential to fix calcium in the fish’s body. It is also important for algae or aquarium plants, as they help in the health of these organisms.

The most used type of lighting is LED light, which does not interfere with the water temperature (light is energy and radiates heat) and which are protected so as not to cause electric shock. Ideally, the lights should be 10cm above the water.



The substrate covers the bottom of the aquarium and serves to maintain the water temperature, fix plants and ornaments and even decorate. The substrate can be sand, gravel or rocks, and must be suitable for aquariums so as not to hurt the fish.

Decorative elements, filtering materials and the reservoir water itself are also considered substrates, that is, everything that will chemically interact within the aquarium ecosystem.

The substrate is an essential item to determine what type of ecosystem you will reproduce in your aquarium. There are several options such as coral reef, planted aquarium, Amazon stream, among others.



The decoration is an important factor in the aquarium, when well decorated it becomes more beautiful. But that factor depends on your personal taste.

These ornaments, which can be boats, lighthouses, igloos, caves, rocks, skulls and even artificial plants, must be suitable for aquariums and made with non-toxic paint so as not to poison the fish.

Water movement

The movement of water is essential to reproduce the real conditions of the chosen ecosystem for your aquarium and this is important for the survival of fish and plants.

In the case of aquariums with marine water, this movement is even more important, to increase the low oxygen levels of the water.

A handling pump or even a water filter may already be sufficient to generate movement within the water and reproduce the conditions of cloudy water in rivers or sea waves.


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