The Best Aquarium Water Changers for 2021


Are you looking for the best aquarium water changers that you can rely on when it comes to regular maintenance of your tank?  If so, you have bumped into the right guide that reviews the top six water changers in the category. These items are used for hassle-free and no-spill aquarium water changing.

However, you might not be able to find them without considering the features to check when looking for such items. You might also have to spend much time in researching trusted water changer brands.

Don’t worry, as help is coming! Keep reading in the following for what to know about water changers and top picks in the category.

What is the Best Aquarium Water Changer for 2021

See also:

Top 6 Best Aquarium Water Changers Reviews

1. Python No Spill Clean and Fill Aquarium Maintenance System


The No Spill is a top of the line product in the category. In online marketplaces, it is the top choice for a tank vacuum. There is nothing to worry about making regular water changes when you have the maintenance system with you. The no spill system can change your life for making it convenient and easy to change the tank’s water.

One of its unique features is its convenient to use system. With it, you don’t need to worry about disturbing fish or your decoration during the maintenance. You can also check it out for its compatibility to most faucets, making it versatile and flexible.

In addition, this product is ready to use that you don’t have to do anything else but just use it upon arrival.


  • Easy to use
  • No siphons and buckets again
  • Can cut much time in tank maintenance
  • Can adjust to different faucets
  • Ready to use


  • Attachment can be flimsy

2. TERA PUMP Genuine Aquarium Water Changer Flow Controller


The TERA PUMP is one of the best choices in the category for its efficiency in helping you clean the tank water without any hassles. You don’t have to worry about so much time to spend or disturbing your fish when performing a regular maintenance.

This product is also without BPA-free, meaning safety for your fish and living creatures on the tank.  it is also effective in cleaning the gravel. The TERA PUMP is with a large suction tube, allowing for easy use in larger aquariums like 10 gallons and more.

It also comes with two nozzle types, the longer one for cleaning the leftover food, fine gravel and droppings from the water while the shorter one is for water drainage. Choosing this item, you can rely on easy and convenient use.


  • Can help in easy tank maintenance
  • Complete accessories
  • Can be operated with one hand
  • BPA Free
  • 5 gallons per minute


  • Not very effective in sucking gravel dirt

3. Aqueon Aquarium Water Changer


Changing the tank’s water from time to time is essential for the health of your pets. Without regular maintenance, you might lose your fish due to poisoning and contamination. To prevent it from happening, you should use a product like this water changer.

You can easily attach it to your faucet easily to fill your tank. Now, you don’t need to use a bucket to perform this task. In this case, you can also save effort and time. You also do not have to do heavy lifting.

This item also vacuums out the debris in the gravel or substrate. It also comes with an integrated switch valve for auto-siphoning. Overall, this item is a quality pick that you might want to check out for a no-spill system.


  • Easy to use and convenient
  • Can remove dirt from the gravel
  • No spill system
  • Can be attached to most faucets easily
  • Cuts cleaning time


  • Not very durable

4. Upettools Electric Automatic Removable Vacuum Water Changer


The Upettools Aquarium Gravel Cleaner is a sure value for your money because it works as a 6-in-1 product.  You can rely on it as a sand washer, water changer and water filter, to name some.

It is a nice investment to have, knowing it can be used for a wide range of purposes. You can also rely on its versatility that you can use it for seawater and freshwater tank.

Its pump flow is also adjustable, so there is no problem even if you have small fish. If you also have a 180-gallon tank, it will only need 30 minutes to pump its water out. You can also depend on it if you need to suction fish poop and food leftover in the tank. Overall, it is a great pick that you might want to consider for a water changer.


  • Powerful cleaning action
  • Lifetime warranty
  • Easy to install and use
  • Electric and automatic water changer
  • 6 In 1 Multifunction cleaner


  • Unclear instructions not in the English language based on some reports

5. STARROAD-TIM Fish Tank Aquarium Gravel Cleaner Kit Long Nozzle Water Changer


If you’re looking for a water changer that can make your life easier, you might want to take a look at the STARROAD-TIM Cleaner Kit. This item is for gravel cleaner or water changer that you can use easily.

One of the best features of this item is its special design that makes it easy to operate. It is what you need for convenient use when it comes to pumping water out.

This item also comes with a flow adjustment mechanism for better results. You might also want to check it out if you want to prevent clogging by gravel. You can rely on it when it comes to removing debris in the water. This product also comes with complete accessories, including water flow clamp, outlet pipe, and inlet pipe and anti-backflow valve.


  • Removes debris in the tank
  • Easy to use
  • Can prevent clogging
  • Complete accessories
  • Special design and structure


  • Can be tricky to use for first timers

6. Laifoo 50ft Aquarium Water Changer Gravel And Sand Cleaner


If you’re looking for not just a water changer but also a sand and gravel cleaner, you might want to check out the Water LAIFOO cleaning tool. This item is what you need for efficiency and effectiveness in performing its functions.

One of the things to like about this item is that it works effectively in removing impurities from the water and replacing dirty water by switching the connector.  In addition, the item is with 50-feet hose, which is made of plastic made of safe materials.

This item also comes with a siphon ball that will make the water flowing out automatically without exerting much effort. Overall, it is a great choice if you want a versatile product that is made of quality components including a 50-feet hose. Check it out yourself for these great features.


  • 2-in-1 function
  • Safe components
  • Quality components
  • Long 50 feet hose
  • Comes with a filter screen


  • Short warranty

Aquarium Water Changer Buying Guide

Having an Aquarium water changer is significant to maintain the stability of water as well as the life of the fishers inside a large tank. There are tons of water changer options from store to store. That is why determining the best one gets confusing and exhausting. To save you time and money, here are the factors that you must consider when purchasing an Aquarium water changer.


First in line to think about with a water changer is your budget. You have to prepare an amount of money if you want to have decent aquarium water changer. Further, given that you got the budget, please check thoroughly the value for money of the item that you are going to pursue. It should be something that compliments your hard-end income based on its quality.

There are different price points in terms of the different models and brands of these water changers. Those types are made by famous brands and with special features tend to cost higher. Further, Python Aquarium water changer is suggested to be more durable, convenient to use and will definitely fit your budget.


Your aim in investing to an aquarium water changer is to have a great companion that can help you on the laborious chores of water tank maintenance. Hence, you need one that is made of durable materials to ensure its longevity.

Valuable Features

If you are eyeing for an Aquarium water changer, spare some time to read the items specification. Pick the one with versatile features such as those with dual function already. There is water changers that can already clean the aquarium and can drain and replenish the water at the same time. You may also consider those types that are suitable for any size of faucets.

Ease of use

Convenience is one of the main reasons why a tank owner would buy for a water changer. Some options include water changer that can be set-up manually and the other on is already assembled. This is highly depending on the preference of the users.


You have to decide what size of Aquarium water changer you want to purchase. There are items that are meant for small and big tanks. In addition, the size of the water changer’s host may depend on the size of your aquarium. Various water changers can accommodate tanks with water capacity that starts in 10 gallons to 50 gallons.

What is an Aquarium Water Changer?


An aquarium water changer is a device that is frequently used to maintain the water system inside the large tanks. It looks like a long gravel host or vacuum that the user can directly connect to faucet. The water inside the tank is sip by the water changer and releases it to the sink. Afterwards, it is also the same channel to fill the aquarium with water again. It is very useful in aquarium maintenance to keep the water and fishes healthy.

Types of Aquarium Water Changers

Most of the time, the water changer is pretty much the same. They are a hose or vacuum that you can attach directly to your faucet. Those featured above are the most popular brands for a water changer.

In the following, let us discuss two of the famous water changers just to give you an idea on these water changers. These are the Aqueon and Python aquarium water changer. Know the difference and advantages of these two below.

Aqueon aquarium water changer

This water changer is one of the classic types. It is an elongated vacuum attached to a long host where the dirty water flows out of the tank and where the new fresh water comes in as well. Even the other unnecessary substrate or waste inside the tank may also be exhausted through this device.

The Aqueon aquarium water changer are usually bulky but can still fit inside the tank. In terms of durability, this type is sturdy and long lasting. However, it may take a little time to assemble this since it requires manual set-up and a lot of is parts needs to be put together.

Python aquarium water changer

Likewise, this device helps positively in the routine of draining and filling up the tank with water to keep the under the water ecosystem happy and healthy. Since, the idea is to maintain the water system without letting the fishes notice it, Python water changer is dependable for this task.

In terms of form, Python aquarium water changer is slimmer and light weighted. Another advantage of this type is that it tends to be more resilient against the pressure of regular use. Based on many tank and shops owners, Python aquarium water changer is one of the most favorite types of water changer because it is simpler and easier to set-up. Usually, when this item arrived, its parts are already assembled and ready to use.

Why Do You Need Aquarium Water Changer?

The Aquarium Water Changer is an essential toolkit if you own a huge tank with many water creatures that lives in it. Here are the primary reasons why every tank owners need an efficient Aquarium Water Changer.

  • Cleanliness is the top reason why an Aquarium Water Changer is a must-have for aquarium and fish owners. It helps to maintain the purity of the water by removing the unnecessary substrate and pollutions. A tidy environment keeps the living things inside the tank healthier and happier.
  • Prevention of hazardous bacteria and preservation of the good ones is also one of the main benefits of using a water changer.
  • Convenience is next top advantage of having an Aquarium Water Changer. Every big tank owners know how much effort is needed to when lifting it. But using a water changer, the work is much lesser and easier.
  • Value for money is another benefit of using an aquarium Water Changer. First, it saves the tank owner from the cost of repeatedly purchasing of new pets since water changer keeps the water fresh so the fishes may live longer. Also, this prevents the tank owner to buy expensive water filtration system that is more expensive and not durable.

Frequently Asked Questions


How does an aqueon aquarium water changer work?

The aqueon water changer brings convenience to tank owners. It saves them effort and time in doing the regular cleaning and replacement of water inside the aquarium.

Using the aqueon aquarium water changer needs attention though it is quite simple. Usually, this item doesn’t come ready. To make it work, first you have to set-up the whole thing. Once the aqueon water changer is already pinned on the faucet valve, it is ready to be submerged under the water of the tank.

While the faucet is on, the aqueon water changer begins to clean the substrate and other pollution. By then, the dirty water also started to flow out of the tank. After a minute, you can already fill-up the aquarium with fresh water from the faucet.

How often to change aquarium water?

Regular change of water inside the aquarium is vital for the health of the fishes. The ideal frequency of water change is once a week and you have to replenish at least 10 to 25 % of the water.

How often you change the water in your tank may also depend on the size of your aquarium. The trick is, the smaller the tank is, the more it requires frequent cleaning, changing and refilling of water. It is because smaller tanks tend to get untidy easily. A discharge and refill of 10 to 15 % of the water per week will already do for small aquarium.

Where to buy aquarium water changer?

The best aquarium water changer is not so hard to find. In fact, there are many choices that you can check from various shops on malls, pet and accessories shops and markets. You might want to check also some online sites where you can expand your options. Among the famous sites where you can find aquarium water changers are on Amazon, EBay and AliExpress.


Finding the best aquarium water changers can be easier and less overwhelming by knowing what to expect from them so that you can make a better choice. To get started, you can refer to our buying guide that outlines the factors to consider when searching for the right water changer.

In addition, you can also refer to our top reviews of the featured products. They’re from trusted brands and with great features. Using these reviews, you can also compare the pros and cons of these products so that you can weigh your options well and pick your aquarium water changer. Buy a water changer today!

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