The best air pump for aquarium is the one which is enough to agitate the water surface of your fish tank and  encourages exchange of beneficial gases at the top surface level.

An air pump is commonly used by many fish tank owners to agitate water surface in the form of bubbles. This system includes an air pump that sits outside of the tank and forces air into the tank with the help of a rubber tube.

One end of the tube is attached to the air pump outside of the tank and it’s other end sits inside the water tank. Air which is forced through the rubber tube comes out of an air stone and rises above the water level. This agitates the water surface encouraging the exchange of gases in the tank. Fish survive on these dissolved gases. Apart from an air pump there are other devices that are used to agitate water surface such as power heads and wave maker.

There are many factors that must be examined before you buy an air pimp for your tank so that your purchase is justified and is exactly what you were looking for.

Here is a comparison of 15 fish tank air pumps.

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Item Capacity
(Gallons) /
Flow Rate
Air Outlets/
Noise Levels
Power Source

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Up To 80 Gallons
2.5 L/min
Adjustable Air Flow
2 Outlets
Less than 20dB
Wall Socket

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Up To 100 Gallons
4 L/min
Adjustable Air Flow
2 Outlets
Less than 25dB
Wall Socket

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Up To 10 Gallons
20/40/60/100 models available
2 Outlets Wall Socket

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Up To 10 Gallons
1.8 L/min
1 Outlet
Less than 40dB
Wall Socket

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Up To 20 Gallons
1.5 L/min
2 Outlets Wall Socket

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Up To 100 Gallons 2 Outlets Wall Socket and Rechargeable Battery
2600mA lithium Battery

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Up To 20 Gallons 1 Outlet Wall Socket

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Up To 20 to 200 Gallons
6.93 L/min (Max)
Adjustable Air Flow
2 Outlets Wall Socket

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Up To 30 Gallons
4 L/min
1 Outlets Wall Socket

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Up To 100 Gallons
6.93 L/min (Max)
Adjustable Air Flow
2 Outlets Wall Socket

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Up To 3-13 Gallons
3 L/Min
2 Outlets Wall Socket and Rechargeable Battery

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Up To 3-25 Gallons
2 L/Min x 2 Outlets
2 Outlets
Less than 35dB
Wall Socket and Rechargeable Battery
2000mA lithium Battery

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Up To 1-140 Gallons
2.5 L/Min
2 Outlets
Less than 30dB
Wall Socket and Rechargeable Battery
2600mA lithium Battery

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Up To 1-180 Gallons
2.5 L/Min x 2 Outlets
Adjustable Air Flow
2 Outlets
Less than 35dB
Wall Socket

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Up To 3-30 Gallons
1 L/Min
1 Outlet
Less than 35dB
Wall Socket

AquariumStart.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

Let’shave a look at all these air pumps in detail

Best Air Pump for Aquarium Fish Tanks – 15 Models Compared