e to its thick and sturdy construction. The sounds are muffled and the outside is kept quiet because of the thick nature of its walls. It contains a UV sterilizer inside it which exposes the algae and bacteria to ultraviolet light (UV Light) and eliminates them. This handy tactic allows you to have clean and healthy water for your pet fish.
6. Fluval (x)06 External Canister Filters
The Fluval 06 series are one of the best performers when quietness is concerned. These filters have their patent technology for dampening the sound in the motor. You can only hear them work when you place your head inside the aquarium stand where you place them. They are a good choice for people with light sleep or who get easily distracted or disturbed by background noise. The only time they make loud noise is right after you install them. This is due to the presence of small air bubbles inside. This problem can be solved by priming. Priming helps in extracting air from the cartridges. This filter is easy to maintain and highly durable that probably lasts 5 or more years.
7. Pen Plax Cascade Canister Aquarium Filter
The Penn Plax Cascade is another impressive canister filter that operates without sound. They are of reasonable price and come with super customizable features. These filters are strong and move a lot of water. The Cascade series of Penn Plax is applicable for large aquariums housing long-finned fish. They are advertised for pumping up to 350-gallons per hour. If at some point these filters start to make a noise of some nature- that is probably due to the trapped air inside. But the good thing is they have self-priming buttons installed in them which can solve this. Therefore, this is an excellent filter that can pump thousands of water gallons in a day with complete silence.