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Best Small Aquarium Filter? Tips on deciding



If you are interested in purchasing a small fish tank filter and pump for your home or business office, there are a number of different things that you should know before making your purchase. Since not all aquariums are the same, you will need to make sure that you understand the differences. Fortunately, there is a huge amount of information online that tells you and others how to make the best choice for your set-up. In particular, if you are trying to buy an aquarium that will last you a long time, while also providing you with top superior quality. Therefore, if you are interested in learning more about small aquariums filters you need, you should review the information provided below.

best small aquarium filter

The information that is supplied will discuss how to determine what the parameters or measurement sizes are for a small aquarium. This information is needed for a number of different essential reasons and purposes. One, in particular, is to make sure that you can choose the proper accessories including the right filter type from the aquarium that you purchase.


  1. What is considered small aquarium?

First of all, you will need to know what is considered to be a small aquarium. You should know this answer before you head out to your local retail stores or select an aquarium online. To find the correct response, you need to make sure that you know the standards of measurements that make up this type of tank. For instance, an aquarium is measured by the length of the aquarium, its width along with the height.

It is also important to note that the dimensions of an aquarium usually varies based on several different factors, including the brand of the item or the trim type as well as the color. So, you will need to look around to determine which tank is the size that you really need. For instance, when you are selecting a particular brand and model, you may find that a gallon size tank can be slightly smaller or larger from one type to another. While in many cases, the slight difference is a non issue to some or it may make a significant difference to others. Therefore, the type and size selected are usually based on that specific situation or an individual’s preference.

Typically, however, when people are making their decision to buy a new aquarium, they normally discover that there are various standard sizes that people can make their selections from today. Though these sizes can range from to over 100 gallon aquariums, you should be aware that a small aquarium fits within a certain standard range size too. For example, based on information supplied by the top professionals in the industry, the small aquariums usually range from 2.5 gallon aquarium sizes and up to 15 gallon size aquarium tanks. With this in mind, here are 3 sizes that fit this basic description,


10 Gallon Aquarium: 20 x 10 x 12 – 20 1/4 x 10 1/2 x 12 9/16

5.5 Gallon Aquarium: 16 x 8 x 10 – 16 3/16 x 8 3/8 x 10 ½

2.5 Gallon Aquarium: 12 x 6 x 8 – 12 3/16 x 6 1/8 x 8 ⅛


Each of which can be selected by the amount of space that is available in a specific area, the total amount of fish that the owner is expecting to house in your home or office, and the price that you are expecting to pay for your aquarium tank. Also, you should also know that the larger tank aquariums are sizes that start above the 10 Gallon Aquarium threshold mark and above. With this information, you can select the best small size aquarium that fits your need, purposes, and preferences and we will also help you decide on filter needed for your small setup (like this penn plax smallworld filter as example) This means you can use this guideline to make the best selection for your new found hobby.


  1. What are best freshwater aquarium filter methods today?

Choosing the right type of fish tank filter types for a small aquarium is a very important decision. The decision you make will have a significant impact on several different factors including the type and the number of livestock that you are looking to keep. Further, if you are trying to find the best filtration system possible for you or someone else, you will also find that the better systems will affect the type of maintenance that is actually required. So, it is very important that you consider a wide range of essential factors before you choose your filtration system for your small aquarium.

Because the primary role of a filtration system is to keep the water clean, clear and free of different types of debris, you should look for a filtration system that will help to clean the water of left over food items, feces, fragments of plant material, and waste products from the fish. Also, to make sure the water is clear of all kinds of different hazardous toxic compounds, you will need a filtration system that will protect the health of the inhabitants that live in the water. Therefore, when you are making the decision to purchase a filtration system for your new small aquarium, you should evaluate the strengths and weaknesses of these three categories of filtration systems listed in the information below. By becoming acquainted with the different types, you can begin to identify which filtration system type is best for you and your needs.

With that being said, it is important to note that there are different 3 types of filtration systems that everyone should review to ensure that they are choosing the best small aquarium filter system for the aquarium of their choice. The 3 types of filtration systems are listed in the information that is provided for you below:


– Mechanical Filtration System

– Chemical Filtration System

– Biological Filtration System


Mechanical Filtration System


The mechanical filtration system can be described as the process that is used to remove matter from the waters. For this system to function correctly when it has been installed, it has been designed to catch tiny particles and then hold them so that they will stay trapped in specific media like pads, micron paper cleats, foam, filter floss, and diatomaceous earth.


Chemical Filtration System


In addition to using a mechanical filtration process for keeping the water purified and clean in an aquarium, another possible option for choosing a filtration system is the chemical filtration system. The chemical filtration system is designed to remove toxins and chemicals when they travel through the resin or chemical media.

In the past years, many useful advancements have been made and they are currently being used to make the filtration process much better. Many of which have been designed to offer more products that eliminate and flush out specific types of chemicals from the water. Therefore, when chemical filtration is used correctly, the quality of the water is improved greatly, while the amount of maintenance is also minimized. Therefore, you will get more from these systems and work less in keeping up the maintenance.


Biological Filtration System


A biological filtration system can be described as the process of bacteria breaking down in a tank. In this process, dangerous ammonia is released and then converted to nitrites. During this process, the nitrites that exist in the water becomes less toxic. The end result is harmful waste being moved out of the water through the filter.

After you have become familiar with all 3 types of filtration systems, you can review each type to see which one fits your small size aquarium. Typically, when people have a small aquarium, they are not really looking for a complex or expensive filtration system. So, they are usually looking for a filtration system that is not only simple to understand and administer, but also one that does not cost a huge amount of money. Therefore, if you are really looking for a filtration system that will be best for a small aquarium, you may want to consider a chemical filtration system. This is especially true since chemical filtrations systems are normally idea for maintaining the levels of dissolved chemicals at the right balance. Therefore, the chemicals will not vary or fluctuate too wildly.


  1. What Types of small aquarium filters are available on the market today?

Today, manufacturers are offering a wide range of different types of filters, and they are available in different sizes as well as price ranges. So, if you are trying to decide what types that you can make your selection from, here are 6 of the most commonly known.


Sponge/Air Driven Filter

Internal Filter

Power Filter

Wet/dry Filter


Here’s a brief description of each.


Sponge/Air Driven Filter


Even though there are many different types of useful aquarium filters on the market, some are considered to be more basic than others. So, if you are looking for cheap fish tank filters the more basic set-up filters are normally desired. The basic filter types usually do not provide a lot of support in mechanic, biological or chemical filtration systems, but they can do the job. For instance, when you use a sponge/air driven filter, you can use them primarily for nursery tanks or hospital tanks that have small fish (but remember usually with these you will also need to purchase small aquarium air pump). This filter is normally used for cleaning the water with the use of the sponge. However, one of its main drawbacks is having to be careful of killing good beneficial bacteria. These can also be used as small filter for fish bowl.

Here are some of best internal aquarium filters (Sponge Filters):


Power Filters or HOB Filter


If you are looking for a filter for hobbyists, the power filters may just be the way to go. Power filters are usually the most common styles and they can easily be installed, especially since they are made with a hang on back style. One of the main reasons for their prominence is that they are considered to be excellent for providing biological, chemical and mechanical filtration. This is true because power filters have the functionality needed to accommodate all 3 system types.

Some best hob filters (hang on back) we chose for you:

Internal Filters


The manufacturers of Internal filters have designed this model in many different styles. So, for those who are interested, this type of filter is easy to use. Since all you have to do is simply place an internal filter on the substrate for it to work correctly. Or, if you choose to do so, you will have the option of mounting it to one of the sides via a suction cup. You can make your choice from a sponge model or a corner filter. Based on the dynamics and functionality of this type, the filtration process works by creating bubbles. Once the bubbles actions are formed, the water begins to move in order to begin the filtration process.

Best Internal Filter:


Wet Dry Filters


This type is usually great for excelling in the biological part of filtration system. Mainly, because this filter media is known for being exposed to both the aquarium water and a lot of air. Because water and air create a huge colony of bacteria, this growth is good for the health of these live organisms. However, one of the biggest drawbacks to setting up this kind of filtration system is the work that has to be done. For instance, when you set up this type of filtration process, you will need to get plumbed directly to the aquarium via a sump. Or, if the sump does not work properly or difficult to set-up, you will need to design a reservoir to hold the auxiliary water in order to run the pump.

Some of bes wet dry filters available to buy:




Choosing the right type of filter and filtration systems for a small aquarium can be a daunting task. Therefore, it is important that you do your research in advance. Because small aquariums can range from 2.5 gallons to 10 gallons in capacity, people will need to know how these sizes will impact the type of systems used. Fortunately, there is quite a bit of information online that provides specific details on the different types of aquariums and the type of filtration systems needed to keep the water inside these tanks clean and free from debris. When people do their research prior to making a purchase, they can find the best filtration systems to fit their specific needs and preference

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