Best Internal Aquarium Filters of 2025

The allpondsolutions 600IF Filter is designed for submersible use, making it ideal for small coldwater or tropical aquariums up to 110 litres. With an adjustable spray bar, you can easily increase oxygen levels in your tank, ensuring a healthier environment for your fish. The included Venturi aeration nozzle creates bubbles, enhancing oxygenation without the need for an air pump. Additionally, the replaceable filter sponge helps maintain clean water, while the suction caps securely attach the filter to your tank's side for convenience.

The NICREW Aquarium Filter is designed to optimise water filtration in small aquariums, ensuring proper oxygenation for clear water and a healthy environment. Its detachable spray bar not only enhances aeration but also functions as a wave maker or fountain pump, making your aquarium more dynamic. This filter is easy to assemble and install, featuring five suction cups for secure positioning. Additionally, it can be installed both horizontally and vertically, making it ideal for odd-shaped or shallow tanks.

The Interpet Bio CF1 Filter offers effortless care and sparkling results for your aquarium. With its biodegradable coir tech and simple monthly cartridge changes, maintaining your fish tank becomes a breeze. This filter features a robust 5-stage filtration system, ensuring your water remains crystal clear and healthy for your aquatic life. Its easy-to-fit design allows you to install it quickly, providing a hassle-free experience. You can enjoy a cleaner environment for both coldwater and tropical fish without the stress of complicated setups.

The Interpet PF1 Filter is designed to keep your aquarium clean and healthy. Its four-stage filtration system effectively removes particulate waste, odours, and toxic chemicals, ensuring a better environment for your fish. You can also benefit from the growth of good bacteria on the filter's foams, which helps break down excess food and waste. Additionally, the easy-to-use fixing bracket allows you to clean the filter without hassle, while the powerful venturi increases water circulation for improved aeration.

The Eheim Pickup 160 Filter is specifically designed for small aquaria ranging from 60 to 160 litres. This means it is perfect for maintaining a clean and healthy environment for your aquatic friends. The filter comes complete with a filter sponge, ensuring you have everything you need to get started right away. With its ready-to-use design, you can set it up quickly and easily, allowing you to focus more on enjoying your aquarium rather than complicated installations.

The Superfish Aqua Flow 200 is designed to make aquarium maintenance easier for you. Its Easy-Clean system allows for quick and straightforward cleaning, saving you time and effort. With a filter flow rate of 400L/H, it efficiently keeps your aquarium water clean and clear, promoting a healthy environment for your fish. Additionally, the filter features spare cartridges that click into place easily, ensuring a hassle-free replacement process. This means you can focus more on enjoying your aquarium and less on maintenance.

The Eheim Pickup 200 Filter is specially designed for small aquaria ranging from 100 to 200 litres. With a pump output of 220 to 570 litres per hour, it efficiently maintains water quality, ensuring a healthy environment for your aquatic life. Its compact dimensions of 275 x 75 x 96 mm allow for easy placement in various tank setups. Additionally, the filter comes complete with a filter sponge, ready for immediate use, making it convenient for you to set up and start enjoying your aquarium.

The OsAtNb Aquarium Filter is designed for tanks ranging from 20L to 180L, making it a versatile choice for various aquatic environments. With its multi-function free switching, you can easily alternate between increasing oxygen, water filtration, or creating waves. The efficient filtration design, featuring a larger filter box and two biochemical sponges, helps maintain a clean water environment, ensuring the health of your aquatic pets. Additionally, as a submersible pump, it is IP68 waterproof and compatible with most hose calibres, which adds convenience to its use.

The Hidom AP-1600F Filter offers exceptional performance with a maximum flow rate of 1200 litres per hour, ensuring excellent filtration and circulation for your aquarium. Its low wattage of 25w means you can enjoy efficient operation without high energy costs. The included high-quality bio-sponge enhances filtration, trapping debris and waste effectively. Additionally, the integrated wave maker creates a beneficial circular motion, helping to keep your tank clean by directing waste towards collection areas, making maintenance easier for you.

The Hidom AP650L Filter Pump is designed for high efficiency, delivering an impressive 350 litres per hour filtration. Ideal for aquariums up to 70 litres, this 5w pump includes a spray bar for enhanced water circulation. Its unique filter chamber provides both biological and mechanical filtration, ensuring your aquarium water remains clean and healthy. Additionally, the easy filter media change feature saves you time and effort, allowing you to maintain the filter with minimal hassle.