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Canister filters are among the best aquarium filtration systems. They are solid, can be placed outside the aquarium to create space for the fish, and can support a number of filtration types at the same time. They are also quite easy to maintain, and that’s why they are very popular. But in a market that is full of all kinds of brands, finding the right canister filter can be a challenge. We have made that a little easier for you by listing the best of the very best that you can consider going for. If you have been thinking of getting one for your freshwater aquarium, then this is for you.
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This is a highly advanced canister filter that’s loved by longtime aquarium owners for how efficient it can be. The company behind the OASE Biomaster Thermo has been around since 1949, and this has given it enough experience to take some of the best canister filters the market has to offer. Water goes from the tank to the canister where it undergoes filtration as it passes over a series of filter media strategically positioned inside. The main filtration type that takes place here is mechanical filtration.
Multiple chambers
Clean removal of debris
Robust engineering
Expensive
Not widely available
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This is an Italian brand of a canister filter with a reliable filter capacity that’s able to clean the aquarium in record time. It has multiple chambers where water trickles through, passing through a series of filter media. Each chamber inside the Fluval Canister Filter is safeguarded by a valve that prevents water from flowing backward once it has passed through; this stops any dirt that has been captured from drifting back into the tank or clodding the canister.
It comes with a long warranty
Has valves that prevent backflow of water
Uses flexible tubing
Solid construction
It is pricey
It is not customizable
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If you are tight on the budget but really need a decent canister for your aquarium, then the Sunsun Pro Canister Filter would be your best bet. It is one of the few filters that combines all three filtration processes with the inclusion of a UV Sterilizer inside that helps get rid of dangerous microbes that mechanical and biological filtration are unable to handle. Each of these processes happens in a separate chamber.
Affordable
5 stage filtration system
High water flow rate
Chemical filtration included
The motor tends to break down often
The UV sterilizer uses a lot of energy
It is not adjustable
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Just as the name implies, this is a canister you go for when you want a quiet filtration system that doesn’t fill the room with the noise of bubbles and water pumping throughout the night. It is compact in design with plenty of space inside for all kinds of filter media. The Aqueon Quietflow Canister makes use of mechanical and biological filtration and with valves that are easy to disconnect when it comes to cleaning and removing all the trapped debris. It is also one of the few canister filters that come with multiple outlet options.
Great design
Easy to clean
Ample space for filter media
Quiet filtration
Limited warranty
The mechanical filter comes last instead of first
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As far as designs go, the Cobalt Aquatics Canister Filter takes the crown for the best design on this list. But that is not all it is known for; It has a very efficient filtration setup with four unique stages that allow water to come in and out from the other side, having gone through a series of filtration processes. The debris is trapped inside the canister, where it can be removed at any time without disrupting the process. The canister even has a section filled with activated carbon that acts as the chemical filtration agent that traps all the impurities dissolved inside the water.
Solid design
Great filtration setup
Supports chemical filtration
Expensive
Maintenance is complicated
Finding it is hard
Finding the right canister filter could be the difference between a functioning aquarium and a dead one. They are handy,but some can be a headache, making things even worse. You have to take your tie when making a selection to get the best value for your money. For more information on where to find the best aquarium filters, check out our website for valuable tips.
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